Guest Stars Liza Koshy voices Veronica Hill Dee Bradley Baker voices Otter John DiMaggio voices X-Terminator Khary Payton voices Amplifier Debra Wilson voices GPS Voice Brook Chalmers voices Manmann Slayer Brock Powell voices Tommy Co Starring Brock Powell voices Additional Voices Dan Povenmire voices Additional Voices Dee Bradley Baker voices Additional Voices Joanna Hausmann voices Additional Voices Liza Koshy voices Additional Voices Khary Payton voices Additional Voices Brook Chalmers voices Additional Voices