Michael Owen Rosenbaum, born on July 11, 1972, in Oceanside, New York, is an American actor and podcaster, best known for his iconic portrayal of Lex Luthor on the television series Smallville. His performance in the role garnered significant acclaim, earning him a place in TV Guide’s 2013 list of "The 60 Nastiest Villains of All Time." With a career spanning over two decades, Rosenbaum has established himself as a versatile talent in both live-action and voice acting.

Raised in a supportive family, Michael is the son of Mark Rosenbaum and Julie (née Eckstein). His early interest in acting and storytelling led him to pursue a career in entertainment. He attended the University of Southern California, where he honed his craft and prepared for the competitive world of acting. He began his career in the late 1990s with guest appearances on various television shows, but it was his role in Smallville from 2001 to 2008 that truly launched him into the limelight. As Lex Luthor, he delivered a complex portrayal of the character, balancing charm and menace, which resonated with audiences and critics alike.

Aside from his memorable work on Smallville, Rosenbaum has appeared in various films and television series. He played Parker in the horror film Urban Legend and showcased his comedic talents as Adam/Adina in Sorority Boys. Additionally, he took on the role of Dutch Nilbog in the Fox comedy series Breaking In. His filmography also includes significant contributions to the Marvel Cinematic Universe, where he portrayed Martinex in Guardians of the Galaxy Vol. 2 and its sequel, Guardians of the Galaxy Vol. 3.

Michael Rosenbaum has an extensive voiceover career, notably voicing Wally West, also known as The Flash, in the acclaimed DC Animated Universe series Justice League and Justice League Unlimited. His voice work has been well-received, establishing him as a prominent figure in animation. In addition to his acting pursuits, he ventured into podcasting with his show, Michael Rosenbaum, where he interviews various celebrities, allowing for deeper personal insights and anecdotes.

In recent years, Rosenbaum has expanded his creative endeavors as the lead singer of the band Sun Spin, alongside his friend Rob Danson. The band released its debut album, Best Days, on February 9, 2021, showcasing his musical talents and further diversifying his career. Currently, he continues to engage with fans through his podcast and is involved in various acting projects, proving his lasting impact in the entertainment industry. Michael Rosenbaum remains a beloved figure, known for his multifaceted career and dedication to his craft.