Willis was kept illegally as a pet for the first three years of his life. In late 2021, he was confiscated by Chicago authorities and transported to the Born Free USA Primate Sanctuary where he is now enjoying a life in nature alongside other vervet monkeys.
- Sex: Male
- Year Born: c. 2018
- Year arrived at Sanctuary: 2021
- Species: Vervet monkey
- Likes: Playing, running really fast, and jumping really far.
