I'm called Warren and I get called Waz but I just read on the internet Wren is short for Warren :-/
Warren Buffett's birth name is Warren Edward Buffett.
Warren Tabata's birth name is Warren Kazukiyo Tabata.
Elmer Warren's birth name is Elmer Myrl Warren.
Warren Moller's birth name is Warren David Moller.
Warren Newcombe's birth name is Warren Alfred Newcombe.
Warren Bentley Short's birth name is Warren Bentley Short.
Warren Bentley Short is 6'.
Warren Buffett's birth name is Warren Edward Buffett.
Warren Storm's birth name is Warren Schexneider.
Tiger Warren's birth name is Warren, William.
Val Warren's birth name is Valmore Warren.
Warren Lahr's birth name is Warren Emmett Lahr.
Warren Lieberfarb's birth name is Warren Neal Lieberfarb.
Warren Lieberstein's birth name is Warren Keith Lieberstein.
Warren Spahn's birth name is Warren Edward Spahn.
Warren Sapp's birth name is Warren Carlos Sapp.
Warren Knowles's birth name is Knowles, Warren Perley.