Simplify the following text for a Grade 11 native English-speaking person.
Original: Roderick George Toombs ( born April 17 , 1954 ) , better known by his ring name `` Rowdy '' Roddy Piper , is a Canadian professional wrestler and film actor currently signed to World Wrestling Entertainment .
Simplified: Roderick George Toombs ( born April 17 , 1954 ) better known by his ring name `` Rowdy '' Roddy Piper , is a semi-retired Canadian professional wrestler , and movie actor .