The two cartoon pup crossword solutions are Odie and Ren. Odie is a character from the comic strip 'Garfield' created by Jim Davis in 1978. He is a lovable, but dim-witted, yellow-furred dog who is Garfield's best friend. Ren is a character from the animated television series 'Ren and Stimpy' created by John Kricfalusi in 1991. He is an emotionally unstable chihuahua who often gets into trouble with his best friend Stimpy.