Flappy is an evil coelacanth that antagonizes Tom, Jerry, and Spike. He prefers to use his tail to slap people. He also enjoys eating. He first appeared in Cat Fishin'. Then again in Over the forest and boo the woods. But in the second appearence he changed from green and turquiose-cyan to Red. In his first appearence Tom tried to feed Jerry to him. In the second appearence, Flappy knocked Tom and Jerry over the waterfall.