Soundscream

Soundscream is a Decepticon who is the main antagonist of My Little Pony Transformers Prime: Forgotten Friendship.

Bio
Soundscream was a Decepticon who was outcasted and made invisible to the others by Knock Out. He was also treated as a droplet in the mist and an unuseful piece of scrap. He eventually abandoned the Decepticons and traveled solo to Equestria to get his revenge on Knock Out by using the Memory Stone. He used the Memory Stone to erase the memories of Optimus from the Autobots and ponies by mistake and decided to use this to lure Knock Out to him. When Knock Out found out, he instantly went to confront Soundscream who was still mad at him for making him invisible to his cause. He then tried to use the Memory Stone to erase Optimus' memories of his friends but Knock Out ended up sacrificing his memories for Optimus and his friends and, as a result, lost all memory of the Autobot-Decepticon conflict. The Autobots and ponies approached Knock Out and called him their friend and the power within them combined with the Autobots and Ponies gaining new forms and armor. They then blast Soundscream and destroyed the Memory Stone thus rendering Soundscream