Ren Hoek is a fictional character from the animated television series Ren and Stimpy. He is a small, anthropomorphic chihuahua known for his short temper and mischievous personality. Ren often serves as the more intelligent half of the duo, frequently coming up with wild schemes alongside his dim-witted friend, Stimpy. Created by John Kricfalusi, Ren is characterized by his exaggerated facial expressions and distinctive voice. The show, which originally aired in the 1990s, is known for its unique animation style and offbeat humor, making Ren a memorable figure in the world of animation.