|Behind the scenes|
Chapman worked as the assistant/vice principal at the Animorphs' school. At an unknown point, Chapman and his wife were infested by Yeerks and made Controllers. Both agreed to this infestation voluntarily on the condition that their daughter not be harmed.
Chapman a high-ranking Yeerk (albeit not even a Sub-Visser) who is often placed in charge of important Yeerk projects on Earth. The Animorphs often used him to discover new Yeerk pool locations and gather intelligence.
- Iniss 226's rank is never revealed. However, it is likely that, given the responsibilities he was often tasked with, he was at least a Sub-Visser or possibly a low ranking Visser.