I was watching the short “Snarf: Butterfly Blues” and now noticed something: at the 1:48, 1:49 mark you see Claudus talking to Jaga and an unidentified figure.
https://www.youtube.com/watch?v=EY26GXGMk2A
Going by the shape of the silhouette, the character is not Panthro, Grune or Lynx-O. I also do not remember hearing about any other characters that were going to be in the series or Dan Norton would have mentioned that on the podcast. Maybe it is a cleric?