Rumble (Transformers) robotic rhino minion of Soundwave. This Rumble is an alternate good version of the Generation 1 character from the BotCon exclusive "Shattered Glass" comic, in which the Decepticons are on the side of good and the Autobots on the side of evil. Presumably like all Decepticons of his world, he is heroic and opposed to the evil Autobots. Rumble appeared as a member of Megatron's forces in the "Shattered Glass" story. He was captured and set to be executed by the Autobots. Rumble appears as one of Soundwave's Mini-Cons in the novel "Transformers: Exodus". In the 2010 video game "",
Transformers: Power of the Primes Shockwave and Chaos by Thunderwing, Optimus Primal and an Unknown Evil (). The winners of the first round were Ultra Magnus, Star Saber and Optimus Primal, advancing into the second round alongside the Unknown Evil as a wildcard. The poll about a month later on February 18 with Optimus Primal being chosen to become the next Prime. On January 9, 2018, it was announced that Mark Hamill, who had previously voiced Megatronus in "Transformers: Titans Return", would resume his role for "Transformers: Power of the Primes". It was also confirmed that Ron Perlman would voice Optimus Primal, after the character