Peep is a lilac mouse with brown eyes and a pink nose who belongs to Tiana. He wears a light green lily pad hat with a tiny green frog, a pink bowtie and a yellow bow on his tail.
He was met by Birdadette at the Frog Festival, who wanted to leap high into the air like a frog but couldn't. So, Birdadette told the little mouse that he doesn't have to leap like a frog to join in the festival. She took him to Tiana's mother and made him a lily pad hat with a tiny frog so he can still join in the festival.