Christopher Collins, the voice of Cobra Commander.In a 2018 interview with GQ, Azaria commented on replacing Collins as Moe, saying that he did not find out until years later that he had replaced another actor. Azaria said that when he asked why he had replaced Collins, he was told by Matt Groening, "He (Collins) was great... He was just a dick. His voice was great, he was just kind of jerky to everyone." Azaria continued, "Think about how awful—that guy could have been on The Simpsons his whole life. Lesson to you kids: Always be nice!"[6]
It goes even further than that.Transformers and G. I. Joe producer Flint Dille details having to regularly bail Collins out of jail while working on the Sunbow cartoons in his book Gamesmaster: My Life in the '80s Geek Culture Trenches. Dille also recounts Collins showing up at his door years later, explaining that he was in a twelve-step recovery program and offering a check to reimburse Dille.
That this show existed at all is also bizarre.
Since Koopa wasn't the star of his own animated series, however, Kool Kartoons had to make do with public-domain cartoons from the 1920s and 1930s.
Bowser playing some Steamboat Willie stuff is a show that actually got greenlit!