He constantly escapes & is nicknamed "The Escape Artist". Charkie can open doors & simple machines, & enjoys balls and toys. When happy, he flips & has a high-pitched bark. Charkie is mischievous and way out of control.
- He's voiced by Rob Paulsen.
- He never fully learned to be obedient, but George managed to get him to graduate Obedience school. (Charkie Goes to School) and in the same episode it turned out Charkie was a girl.
- He once sprained The Man with the Yellow Hat's ankle when he jumped in front of him while he was running. (Curious George, Personal Trainer)