Other names: Jeffrey Brian Cook · Geoff Koch · Geof Koch · Jeff Koch · Jef Koch
2025 · Rocco (voice)
2024 · Bernard / President Nixon / Lawrence Andrews (voice)
2024 · Detective Joe Bourquin / Bernard / President Nixon (voice)
2016 · Cactus #1 / Evergreen #1 / Harry
2014 · Mantis (voice)
2013 · Mantis / Water Buffalo Guard #1 / Water Buffalo Guard #2 (voice)
2008 · Young Mantis (voice)
1993 · Scout Master
