Michael Lee Aday (born Marvin Lee Aday; September 27, 1947), better known by his stage names Meat Loaf and Meat Loaf Aday, is an American (United States) rock (Rock music) musician and actor. He is noted for the Bat Out of Hell album trilogy consisting of Bat Out of Hell, Bat Out of Hell II: Back Into Hell and Bat Out of Hell III: The Monster Is Loose. Bat out of Hell has sold more than 40 million copies. After more than 30 years, it still sells an estimated 200,000 copies annually, and stayed on the charts for over nine years.

Although he enjoyed success with Bat Out of Hell and Bat out of Hell II: Back into Hell, and earned a Grammy Award for Best Rock Vocal Performance, Solo for a track on the latter album, Meat Loaf experienced some initial difficulty establishing a steady career within his native United States. However, he has retained iconic (Cultural icon) status and popularity in Europe, especially the UK, where he ranks 23rd for number of weeks overall spent on the charts. He ranked 96th on VH1s 100 Greatest Artists of Hard Rock.

Meat Loaf has also appeared in over 50 movies or television shows sometimes as himself, or as characters resembling his stage persona. His most notable roles include Eddie and Dr. Scott in the American premiere of The Rocky Horror Show, Robert "Bob" Paulson in Fight Club (Fight Club (film)), Tiny the bouncer in Waynes World, Dennis the Spice Bus Driver in Spice World, and Jack Blacks father in Tenacious D in The Pick of Destiny (a character who, ironically, hates rock music and believes it to be evil). Meat Loaf starred as police detective Jack Morris in The Hallmark Channel original film Citizen Jane (Citizen Jane (film)).