- Born
- Birth nameMichael Owen Rosenbaum
- Nickname
- Rosey
- Height6′ (1.83 m)
- Michael Owen Rosenbaum is an American actor, director, producer, writer and pod-caster. He is known for portraying Lex Luthor on the Superman television series Smallville, a role that TV Guide included in their 2013 list of "The 60 Nastiest Villains of All Time". Rosenbaum is also known for portraying Martinex in Guardians of the Galaxy 2 and 3, Parker in Urban Legend, Adam/Adina in Sorority Boys and Dutch Nilbog on Fox's Breaking In. He also has an extensive voiceover career in animation, such as his role of Wally West / The Flash in the DC Animated Universe series Justice League (2001-04) and its sequel Justice League Unlimited (2004-06). Between 2015 and 2016, he played the lead role in the TV Land comedy series Impastor. He is also the lead singer of the band Sun Spin with his friend Rob Danson. The band's third album, Welcome to this Life was released on December 7th, 2025.
- IMDb mini biography by: Michael Rosenbaum
- ParentsMark RosenbaumJulie Rosenbaum (Eckstein)
- RelativesWarren Eckstein(Aunt or Uncle)Eric J. Rosenbaum(Sibling)Laurie Rosenbaum Alton(Sibling)Ava Rosenbaum(Half Sibling)Lia Rosenbaum(Half Sibling)
- He is the first actor to shave his head to play Lex Luthor instead of wearing a bald cap as Gene Hackman and Lyle Talbot did.
- Goes back to Indiana every summer to participate in an annual wiffle ball tournament with old high school friends.
- He shaved his head for seven years for his role on ''Smallville''.
- He has played Lex Luthor longer than any other actor.
- Participates in many celebrity ice hockey and charity events. The charity he favors the most is the Ronald McDonald House.
- I was pretty much a homebody; didn't really go to school dances, never went to a prom. I was a bit of a loner, a geek.
- Lex refers to his past that he was this bald headed freak at an elite prep school. Well, I was, like the shortest kid in my high school - really nervous and kind of weird - so I can relate.
- I was a mechanic at a go-cart place, a deejay at a roller rink, a telemarketer in New York, a grocery bagger. I worked at Pet Land Discounts in New York, cleaning up bird crap at seven in the morning.
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