Martin Kratt

Martin William Kratt is an American zoologist, educational nature show host, and YouTuber. One of the Kratt brothers, he and his younger brother, Chris, created the children's television series Kratts' Creatures and Zoboomafoo, as well as Be the Creature, which runs on the National Geographic Channel and Knowledge Network. They are the main characters on the animated television series Wild Kratts, which airs on PBS Kids.