Peanut Otter is the oldest of the three otter kids and Kyle's foster brother. He is smart and loyal and is funny sometimes. He loves his siblings very much, though he doesn't like doing the Noodle Dance, yet on occassion, he does it anyway.
Although not really a travelling member of the FT Squad, Peanut does go on adventures with them on some occassions. He will also see Winnie the Pooh, Ash Ketchum, Simba, SpongeBob SquarePants, and their friends in Pooh's Adventures of PB&J Otter.
- Peanut starred in Kyle's Adventures with PB&J Otter, where he and his siblings introduced Kyle to life at Lake Hoohaw.
- Peanut made a cameo appearance in The FT Squad's Adventures in The Lion King.
- Peanut made a special appearance at the end of The FT Squad's Adventures in We're Back! A Dinosaur's Story.
- Peanut later guest starred in The FT Squad's Adventures in Circle of Life and will guest star later in The FT Squad's Adventures in A Bug's Life.
- Peanut will see Littlefoot and his friends in Littlefoot's Adventures of PB&J Otter.
- Peanut will see Charlie Brown, Snoopy, the VeggieTales Gang, The Muppets, Mario, Sonic the Hedgehog, Barney the Dinosaur, Chip and Dale, Scrooge McDuck, and their friends in Charlie Brown and Snoopy's Adventures of PB&J Otter.