I was thinking the other day what if grune the destroyer stayed good and was still a thundercat! do you think he would have been the strongest of the thundercats ??
I can just see him kicking the mutants ass all over third earth, and mincing the berserkers, I think he’d have give that mongar creature a run for his money as well!
Pity he turned bad! he would have been a bad ass thundercat!!! lol 
Chris here…
Yep, had Grune stayed as a good guy I think he could well have been the strongest of all the ThunderCats in terms of physical strength - however, IMO some of what made Grune such a formidable warrior was the fact that he had that “dark side” to him and wasn’t afraid to let go, whereas the other ThunderCats would all have been constrained to a degree by their sense of morality. 
As you guys can tell, I take my ThunderCats lore very seriously!!
Take care…
Gotta agree with He-Fan on this one.
What made Grune so good as a warrior was the fact that he would fight dirty and do whatever it took to win.
Even if he hadn’t turn bad… well, I could see him placed into a situation where he might resign, rather than face being disgraced for not “Honoring the Code”. He wants to win, period.. and sometimes, winning isn’t always clean.
Yeah, Grune definitely would have been very strong. But part of that strength comes from not restraining himself, the other part comes from the fact that he somehow was able to overcome the effects of ThunDrainium.
The more important thing is that he was about the same age as Jaga, and therefore would have been well past his prime had he still been a ThunderCat and left ThunDera on the spaceship with the others. Chances are he would have been in the same boat as Jaga, no point wasting a suspension capsule on him…
Does anyone know how long the thundercats was in the suspension capsules for ? how long did it take to get to third earth ???
I think if grune was in the same sort of suspension capsule that wilykit and kat was in he would’nt look a day over!!
Thats it who needs anti wrinkle cream ???
im gonna find a suspension capsule lol …ebay it is lol
There isn’t a specific time stated in the show or any other source saying exactly the duration while in suspension. However from the Exodus episode we learn that the team’s original direction was towards another Galaxy far away instead of Third Earth but after their ship suffered heavy damage from the Mutants, they had to alter their course to a closer destination. Still, Third Earth’s Galaxy was light years away and the suspension capsules were necessary.
Now if this answers your question, Jaga remarks he wouldn’t make the long trip anyway owing to his late age, even if he got inside the capsule. So if Jaga’s assertions were correct and physically he wouldn’t had survived the slowed down aging process which took place while in suspension and had died during the journey, then in rough calculations and taking into account Jaga’s old age…I’d say 5-10 years maximum.
Thats about right because lion-o was just 12 years old when they left thundera! and when he got to third earth he was an adult, so possibly longer if the suspension capsules slowed down the aging process!
Its an amazing story the thundercats I like it a lot!
With Lion-o is another story. Normally, he should have been around the Thunderkittens age but a malfunction while inside the suspension capsule during the trip to Third Earth caused him to age too fast to adulthood. Actually, at the vary begining he was a child in a man’s body and one of the most interesting parts of season 1 was watching step by step as Lion-o gained true maturity and mental fullness.
The cats spent 10 galacto years in suspension, so however many earth years that may be. I’m assuming that’s a galactic year for whatever galaxy they are from. It is also unclear if the cats were using a thunderian calendar on third earth, or if they followed third earths rotational calendar. Lion-o was 12 when he went under suspension, and 20 when he took the anointment trials, to give u a time frame.
Now the question is always, why didn’t the mutants age? Do they have ridiculously long life spans? Why did they wait til the cats hit third earth to attack?
At which episode does it say exactly 10 galacto years? I remember Cheetara mentioning "light years away’’ in Exodus but i don’t remember any 10 galacto years reference
I don’t know the episode, it could have been ep 1 or 2 but Tygra says this, you can hear his voice in the T-Cats movie trailer…
My mistake, i crosschecked it, Tygra says it at the begining of The Unholy Alliance.
Sorry guys:oops: i really didn’t remember that line.
So wtf is a galacto year lol.
Tygra’s terminology! 
Who knows!
From the episode The Ghost Warrior:
Two Bolkins enter the tomb, and upon releasing Grune, one references Grune the Destroyer, the one who ravaged Third Earth. Then the other says “But that was centuries ago”. Then Grune exits the tomb and says “Free after all these centuries!”
As for how he got to Third Earth, it is depicted as a block of ice or a crystal that he was trapped in. But that is making things even weirder. Grune and Jaga were around at the same time, Grune got banished within a lifetime of ThunDera’s destruction, but arrived on Third Earth centuries before the ThunderCats. He was on Third Earth long enough to rack up quite a legend and apparently die. Now the timing could be attributed to the ThunderCats taking a long time to get there due to their spaceship being damaged in the Mutant attack.
One thing is absolutely certain, he is probably the most under utilized villain (that or tied with Safari Joe) that had the most potential in the show. He appeared in only a handful of episodes. Especially when they revealed him at being a former Thundercat, there was more they could have done with him.
I’d take 10 fewer episodes with the Lunatacs for 10 more episodes with Grune any day of the week.
Here’s an interesting teamup - Vultureman, Grune, and Safari Joe.
Each one has his deficiencies, but the combination of Grune’s brute strength, Vultureman’s superior mind, and Safari Joe’s cunning would have been extremely formidable to the Thundercats. (You could throw in Mumm-Ra for his sorcery, but that would be over the top. Plus 3 villains each get more air time than 4 would which is better IMO).
In the show, they constantly messed with the time lines. Even in the old and the new comics, they mess up the time lines.
Here’s another question about Grune. He and Jaga are about the same age…yet he looked strong and healthy and yet Jaga looked old and tired. Why is that?
I was always fascinated with rouge Thundercats, perhaps that is why Lynxana is my favorite character. (she was an ex-Thundercat in the old comics, she was also banished from Thundera…however, she rebelled for a good reason as where Grune did not. Then again, she was never in a suspension capsule and she appears in her 30’s when she talks to Lion-O when he says “Lynxana, I’ve heard that name before but I was so young.” and she replies “As was I, perhaps that is why it all happened.”)
Another question…why didn’t Grune get weak from Thundrainium? Jaga, as well as Grune were both ghosts, you would think a ghost couldn’t feel pain or anything else physical but Jaga felt weak as a ghost.
Atleast in the new comics, they have Grune in it a few times. What I also found very interesting that Grune’s ancestor was the first “Lord of Thundera” with Lion-L being the first “Lord of the Thundercats” In the comic “Origins: Heroes and Villains” the story about Grune was he said “when my grandfather was Lord of the Thundercats…”
So the time lines are always tampered with and messed up. When it comes to the Bolkins talking about Grune being “centuries ago”, I assume they are ignorant and their concept of time is exaggerated. Even in old folklore, people thought that moons were almost like years, thus the expression “many moons ago…”
Here’s another plot hole. In the episode “Jade Dragon”, they say centuries ago, Jaga helped Hatchiman’s ancestor escape the dragon via the Sword of Omens, Jaga was a young man when that took place. Are they saying that perhaps Thunderians have a much longer lifespan than humans? Who knows?
I guess in science fiction anything is possible. They never pay attention to time lines when writing a story, only the fans notice this.
Grune was set adrift in space after Jaga defeated and incarcerated him inside the crystal prison. Tygra does say in the Episode Ghost Warrior that while in exile Grune’s ‘‘ship’’ finally found it’s way in Third Earth. Probably, he was released, after the crystal prison accidentally crash-landed in Third Earth. The main question is who stopped Grune from terrorizing Third Earth’s natives and sealed him away inside the tomb for centuries?
Mumm-Ra could have been a possible answer but Grune seemed to be on good terms with the evil wizard in Return to Thundera part 2 and i don’t see Mumm-Ra doing benevolent deeds. Mumm-Rana on the other hand might be the one, she possessed both the power and spirit.
That’s an interesting point, we see Grune forging his new mace from the Thundrainium pits without feeling weak or powerless at all. If it makes any sense this might have been a sign of ‘not being a Thundercat’ anymore, and i guess he wouldn’t sense or respond either to Lion-o’s signal by the Sword when he used it to summon the rest of the Thundercats.
Not being a ThunderCat can’t be the reason the Thundrainium didn’t phase him. Lynx-O, Pumyra, and Ben-Gali are affected by Thundrainium and they were mere commoners.
But, maybe part of his banishment was to be exiled with a chunk of Thundrainium to make sure he stayed too weak to escape. And after years of exposure he eventually was able to tolerate it enough that it affected him much less than other Thunderians. Or maybe he once was a buddy of Mumm-Ra’s and Mumm-Ra did some spell to make him immune to it.
But I agree, the question of who imprisoned him is quite interesting. Depending on the timeframe it could have been Wizz-Ra or Mumm-Rana. My bets are on Mumm-Rana as well.
But the 3 new thundercats in thundercats HO the movie was not thundercats at the time at fire rock mountain but they still felt the affects of the thundranium fumes! …grune should have been on his knees unconsious not making a battle club lol
I would have realy liked to point that out to the producers of thundercats back in the day lol
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lol we both thought the same thing at the same time lol 