Julius the Cat

Julius is a character from the Alice Comedies. As Alice's cartoon sidekick, Julius was the first major re-occurring character created by Disney, pre-dating Oswald the Lucky Rabbit and Mickey Mouse.

Personality
Julius is a sharpie and mischievous cat, of around 3 feet high. He is sometimes shown as very strong, principally when he fights Peg Leg Pete. It is unknown if he's in love with Alice, or if he's just her friend, but anyway he's always protecting her.

The Alice Comedies
Julius appears in several cartoons of this series, and often fights Peg Leg Pete to protect Alice.

Trivia

 * Julius the Cat appearance is similar to Felix the Cat.