First off you need to be more specific. I can answer unless if there was only one guy named Rudy in the entire world!
No because his girlfriend is my cousin ecko wray
Rudy Ricci went by Rudy.
Rudy Joffroy goes by Rudy.
in the movie Rudy think about economic freedom
Rudy Cortes goes by Don Rudy.
Rudy Reyes goes by Fruity Rudy.
"Rudy" in Hawaiian is often translated to "Ludi."
Rudy Pozzatti has written: 'Work of Rudy Pozzatti'
Rudy Seanez's birth name is Rudy Caballero Seanez.
Eduardo Rudy's birth name is Eduardo Mazzelli Rudy.
Jonathan Rudy's birth name is Jonathan Paul Rudy.
Rudy Wissler's birth name is Rudy Brieker Wissler.