Treadshock is one of Cyclonus' minions in Transformers: Robots in Disguise. He can combine with Cyclonus, Cyberwarp, Riotgear and Skyjack into Galvatronus.
History
When Cyclonus, Cyberwarp, Skyjack, Riotgear and Treadshock plotted themselves into a New High Council, they brainwashed everyone on Cybertron to blame Optimus Prime for making Cybertron unviable during the Great War. When the Stunticons were beaten and arrested, they freed Steeljaw and his Pack and sent Earth to eliminate the Bee Team. And later when Soundwave and Laserbeak were defeated and imprisoned, they sent Dropforge to arrest the Bee Team. And later Cyclonus his team began to conquer Earth. And then Bee Team and Steeljaw traveled to Cybertron to stop them. And when Decepticon High Council and Bee Team combine into Galvatronus and Ultra Bee, their epic battle began. During the battle, Cyberwarp turned against her teammates and saved Ultra Bee. And finally Ultra Bee beat Galvatronus, and he de-combined. And Bee Team saved Cybertron and Earth.