Catbug is a creature who is half cat and half ladybug. He has a very childish personality and exists in two dimensions, the "normal" dimension and the See-Through Zone, a place where the Courageous Battlers where imprisoned. He is the show's breakout character.
His alternate universe twin,Bugcat is evil and is very strict. He likes to cause mischief around and hates Catbug. He is from the Bravest warriors comic book series.
- Bugcat was released on the Entertainment Earth website in 2016.