Egghead is an alias used by two supervillains appearing in American comic books published by Marvel Comics.

Michael Cerveris is an American actor, singer, and guitarist. He has performed in many stage musicals and plays, including several Stephen Sondheim musicals: Assassins, Sweeney Todd: The Demon Barber of Fleet Street, Sunday in the Park with George, Road Show, and Passion. In 2004, Cerveris won the Tony Award as Best Featured Actor in a Musical for Assassins as John Wilkes Booth. In 2015, he won his second Tony Award as Best Actor in a Musical for Fun Home as Bruce Bechdel.