List of Minor Characters in Peanuts - The Cat Next Door

The Cat Next Door

A never-seen cat lives next door to Snoopy. The main focus on this cat occurred in the 1970s, although Charlie Brown mentioned "the cat next door" as early as November 23, 1958. Snoopy often taunts the cat (usually starting with, "Hey, stupid cat!"), who generally responds by violently carving up his doghouse in a single swipe. The neighbors who own the cat have complained to Charlie Brown about Snoopy harassing their "kitten". The cat's name was revealed to be "World War II" in the October 20, 1976, strip.