Lightning (formerly known as Lightning Poult) is a young wild turkey who first appeared in the episode "Happy Turkey Day".
After a coyote nearly attacked a flock of wild turkeys, a little turkey poult came running out of a corn field and right into Martin like a bolt of lightning - or in Martin's words, a "poult" of lighting, which is where his name originated from. When Lightning's mom flew back down to see if he was all right, a goshawk came swooping in trying to attack him, but his mom managed to fend it off and drive it away. At the end of the episode, Lightning and his flock are seen eating Thanksgiving dinner with the Wild Kratts.