Craig Zobel
From Homestar Runner Wiki
R. Craig Zobel is a friend of the Chapmans. He and Mike wrote the original Homestar book back in 1996. He also helped write "Where's The Cheat?", "Homestarloween Party", and "A Jumping Jack Contest." Zobel designed the covers for the strongbad email.exe DVD box set, and appeared in a short film in the DVD bonus feature "Puppets on the Road."
Craig provides the voices of Cherry Greg and the Kevin who leaves a message on Marzipan's Answering Machine Version 6. It was revealed in Issue #21 of Wonkavision magazine that Coach Z was named after Mr. Zobel.