Shocker

Shocker is a supervillain and a former member of the Sinister Six.

Involvement in Story
Shocker started out as a bank robber, using his shock gauntlets he built to help him. He eventually joined the first iteration of Sinister Six, where he and Electro would frequently clash. At the time, he was living with the Heffley's former pig, who eventually betrayed him by helping Shazam and Rashid fight the Sinister Six.

Shocker would join most iteration of the Six, mostly keeping to himself in between those. At one point, he found himself stuck inside SCP-3008 with Agent 47. When he got out, he joined Vulture and they started committing crimes in New York, Doc Ock eventually joining them as well. So far, Vulture and Shocker together have robbed a bank and a jewelry store.