Jeff Letrotski is one of four ponies based on characters from The Big Lebowski: himself, based on and named after Jeff "The Dude" Lebowski (played by Jeff Bridges), Walter, based on and named after Walter Sobchak, Jesús Pezuña, based on and named after Jesus Quintana, and another Earth pony stallion, based on Theodore Donald "Donny" Kerabatsos. Richard (the) Hoovenheart is named after Richard the Lionheart.