Gummigoo is a yellow-fading-into-green gummy crocodile with a white underbelly, white eyes and a brown cowboy-looking hat. He has a slim muscular build, and rounded spines going down his back. Like his friends, Gummigoo speaks with an Australian accent. Gummigoo demonstrates his proficiency as a strategist, adeptly planning for complex heists and missions. Despite his initial antagonistic demeanor, he exhibits emotional depth. He's also shown to be a deeply caring individual.