Sweetums in the Twisted Metal series will be played (but not voiced!) by the voice of the Shark King from Suicide Squad: Kill the Justice League

Will Arnett will voice Sweetums in the Twisted Metal series, and will be played by Joe Seanoa, the American wrestler who gave his voice to the Shark King in Suicide Squad: Kill the Justice League.
In addition, the cast is joined by several supporting roles:Richard Cabral (The Mayans, American Crime) is Laud, the overprotective brother of John Doe's partner Molchunya.
Mike Mitchell (Mike Mitchell; \"Future War\") and Tahj Vaughans (Tahj Vaughans; \"Valley of Temptation\") are Stu and Mike's best friends, local Rosencrantz and Guildenstern (childhood friends of Prince Hamlet in Shakespeare's tragedy).Lou Beatty Jr.
(A Million Little Things, NCIS: Special Branch) is Tommy, a gray-haired, life-worn cartographer who is no stranger to the perils of the Wild Midwest.No one knows when the film will premiere.