The Powerpuff Girls
The mysterious villain Silico (voiced by Jason Spisak) first appears in the episode "Viral Spiral", where he offers the Amoeba Boys a way to destroy the internet and finally become big-name villains. In "Halt and Catch Silico", he uses a social media news website "Muck Bucket" to post false news stories about the Powerpuff Girls. The Powerpuff Girls confront him in his lair and he reveals that he was originally a lonely kid who built toy robot friends to keep him company, however, they were inadvertently destroyed when a monster the Powerpuff Girls defeated fell on his house, causing him to swear revenge against the Powerpuff Girls who he held responsible due to their carelessness. The Powerpuff Girls manage to defeat him when he unwisely calls Blossom "unorganized", but it turns out to be a hologram he created. In "Take Your Kids to Dooms Day", he steals a power suit to fight the Powerpuff Girls before being defeated by the Professor. In "The Trouble with Bubbles", he hacks a robotic clone of Bubbles to destroy the Powerpuff Girls, but Robo-Bubbles sacrifices herself to defeat him before she explodes. He survives an explosion and disguises himself as the Professor to replace him. In the Episode "Lights Out!", he disguises as Bliss and gave everyone in Townsville, the Butley. He shuts down the power, and mind-controlled everyone in Townsville to antagonize and destroy the Powerpuff Girls, even Bliss too. But was stopped by Bubbles by giving him a modified Butley, he appears to drop a bomb on the girls and leaves the library to explode. Later, he was escorted to jail for his crimes.