In Peg + Cat, Peg (voiced by Hayley Faith Negrin) is a young girl who, with her taking indigo cat named Cat, solve “big problems” every week with the help of math and science. Peg likes to break out in song with her ukelele, and keeps a special blue marble under her red hat.

Jeff Fatt is the original Purple Wiggle from the Wiggles, a children’s music group hailing from New South Wales, Australia. They’ve achieved wide acclaim and multi-platinum status, with their music being played in preschools all over the world. Jeff is the original purple Wiggle who plays the piano and accordion and loves to fall asleep. He tends to fall asleep a lot, which causes the others to call out “WAKE UP JEFF!”, and that causes Jeff to jump up and down and do all sorts of silly things.

Arthur Read is an anthropomorphic aardvark, based on the children’s books by Marc Brown, who lives in Elmwood City with his aardvark family and animal friends and attends Lakewood Elementary School. He’s been 8 years old for like 20 years now.

Steve Burns was the host of the hit children’s show Blue’s Clues. He’d help audiences solve puzzles using clues left behind by Blue – though he sure had a hard time finding the clues. In each episode he wore the same outfit, making his green striped rugby shirt just as memorable as his blue spotted companion.

Played by Paul Reubens, Pee-wee Herman is a cheerful, child-like character who surrounds himself wacky gadgets and quirky neighbors. That’s not to say he doesn’t have a darker side — when he doesn’t get his way, he loses patience and drops devastating bombs like “I know you are but what am I?”

Bill Nye the Science Guy was an educational TV show that taught scientific topics through a fun-filled, fast paced, and humorous way. The show did so well that it won 19 Emmy Awards during its run.