A diminutive of unknown origin, likely given for any number of reasons. Noted bearer, American astronaut Buzz Aldrin, born Edwin Eugene Aldrin, Jr., was given the nickname Buzz after his younger sister mispronounced 'brother' as 'buzzer'. See BUD. He legally changed his given name to Buzz in 1988. American mobster Frank Carrone went by Buzz or Buzzy, a nickname earned by his violent and psychotic behavior. American singer-songwriter and one of the founders of the metal band Melvins is Buzz Osborne, born Roger Osborne. American basketball coach Buzz Williams, born Brent Williams, who coached at Marquette University, University of New Orleans, and is currently head coach of the Virginia Tech Hokies earned his nickname while attending Navarro college; the basketball team gave him the nickname Buzz because he would energetically 'buzz' around.In the Pixar animated film series 'Toy Story', one of the main protagonists is a space marine (astronaut) toy named Buzz Lightyear. The writers named him after astronaut Buzz Aldrin.