- The original Vic Rattlehead design was based off of a tattoo concept.

- Nick Menza, former drummer, has a very strong belief in alien life in the galaxy.

- Dave Mustaine's godfather is Alice Cooper

- Vic Rattlehead is actually on the Risk album cover on page three on the mouse trap.

- The song "Sweating Bullets" was inspired while Dave and his wife were attempting to conceive their son Justice.

- Dave Mustaine co-wrote the Metallica song Leper Messiah but was never credited with the writing credits.

- Before joining Metallica Dave Mustaine formed the short lived band Fear.

- Chris Poland is actually a jazz-fusion guitar player

- Chuck Behler, member from 1987 - 1988 actually was replaced by his own drum technician Nick Menza when the band began the Rust in Peace album.

- Originally Dimebag Darrell Abbott of Pantera fame was supposed to be hired as lead guitarist but would only join if his brother Vinnie Paul joined as drummer. Since the band already had a drummer, Menza, Marty Friedman was hired instead.

- In 1992 Dave M. covered the Democratic national convention for MTV.

- The title to "Have Cool, Will Travel" came from a dream that Dave M. had. In the dream, Nick Menza was leaving the band and his parting words were "Have Cool, Will Travel".

- The song I Ain't Superstitious was featured in a Japanese Honda commercial in 1996.

- The original title for the song "Set the World Afire" was going to be Megadeth before the band's official name was decided.

- Ringo Starr, former drummer for The Beatles, is apparently a fan of Megadeth (and Lady Gaga and Elton John).