Bartholomew JoJo Simpson (voiced by Nancy Cartwright) is the mischievous, rebellious, misunderstood and "potentially dangerous" eldest child of Homer and Marge Simpson, and the older brother of Lisa and Maggie.
Bartholomew JoJo Simpson (voiced by Nancy Cartwright) is the mischievous, rebellious, misunderstood and "potentially dangerous" eldest child of Homer and Marge Simpson, and the older brother of Lisa and Maggie.