Steam Smythe is a major antagonist in the reboot TV series, Ben 10, who first appeared in the episode, The Clocktopus.
Steam Smythe appeared there driving his steam-powered mechanical octopus, which is called the Clocktopus. Ben is scared of it , because he has a traumatic experience with the stage play that he accidentally ruined everything because of the squid tentacle. Ben later let go of the past and defeated the Clocktopus.
Steam is the Word
Steam Smythe Returned and he stole the time capsule, which was buried by Nikora Tesla. When he is in the blimp, he opened it and got disappointed it is a teddy bear.
Steam Smythe returned again. He went to Buddy's Vision Of Tomorrow exhibit and went in to somewhere to control it that it will transform into a giant robot, but he later failed.
Steam Smythe appeared as a big man with orange mustache. He also appeared to have a tall hat, typical for steam workers. He also appeared to have a mechanically modified body, likely made of steampunk, just like his inventions.
Steam Smythe does not want anything modern and he wants past, which is why he uses steampunk. He even wanted to destroy everything modern. He also has a gentle personality by not hitting Gwen and Grandpa Max, since he does not want to hit a lady and a senor citizen.