Once Upon a Reptar - Rugrats Author:Kitty Richards "Once a pony time there was a dinosaur named Little Reptar Riding Hood...." So begins the "hairy" tale that Tommy tells Chuckie, and soon the two are enjoying the story of Little Reptar's trip to his grandma's gingerbread house, where he finds three bowls full of Reptar cereal and...oh my, what big teeth you have, Grandma!