Lex Luthor. Wally West. Michael Rosenbaum has played iconic characters and is the 5th Justice League (animated) member to join the podcast. Rosenbaum played Lex Luthor on the hit show Smallville and was The Flash in Justice League/Justice League Unlimited. He not only has embraced social media but his podcast, Inside of You, is incredible. In this episode, he talks about how to do shows that are so comfortable, the listener feels like they know him and the people he has on. They talk about podcasting in general, and how he came up with his show. There was a lot of discussion about the iconic roles. To many fans, Rosenbaum is the definitive Lex Luthor. He also talked about the process of recording Justice League, and how he embraced voice acting. Rosenbaum also detailed his love of sports and offered to come on Seth's other podcast, Sports with Friends.