Tumble and his brother Rough are reoccurring antagonists in the IDW comic series. A duo of mercenaries who usually work for others due to being not so intelligent. 

Personality: Tumble is a brawler who loves to fight. Also, in order to intimidate their opponents, he and Rough have created choreography and rhyming introductions for themselves. This also shows a measure of arrogance in their abilities. Tumble is arrogant and very confident. He never admits failures or weaknesses. He is courageous and has a hard time understanding empathy. 

Tumble is more wild and prone to frequent bursts of aggression. He also is the less intelligent of the two.