John Trabbic III is verschenen in 1 show en no movie. Een voorstelling te vinden in de rol van Electronic Voice / Killer Vacuum / Townsfolk (voice) / Farmer (voice) / Farmer / Crowd (voice) / Incidentals / Line Goers / Winged Toast Angels (voice) / Mikey / Orincidental #4 / Visitors (voice) / Reggies (voice) in de serie Middlemost Post. John Trabbic III is de showrunner van Middlemost Post.