 Jackson, a self-described "game geek" and contributor to d8 magazine, was also instrumental in designing Gwar's 1999 board game "Rumble in Antarctica".Though not an instrumentalist, Jackson contributed occasional live vocals for Gwar's shows, and most notably sang lead on the songs "The Morality Squad" on "America Must Be Destroyed" (as his characters Edna P. Granbo and Corporal Punishment), "The Private Pain of Techno Destructo" on "Carnival of Chaos" (as Techno Destructo) and "Tune from Da Moon" on "We Kill Everything" (as Scroda Moon), all of which he received co-writing credits for.Jackson was also the voice of Cardinal Syn and provided the vocals on "Surf of Syn" from "Ragnarök", though the role went uncredited in the album's liner notes.