(original Fred) officially took over the role of Scooby-Doo .
42 (including holiday specials for Christmas, Halloween, and Valentine's Day) What's New, Scooby-Doo?TV Show | 2002
: Canadian pop-punk band Simple Plan performed the highly recognizable opening theme, which has since gained a second life as a nostalgic favorite. (original Fred) officially took over the role of Scooby-Doo
Watch the iconic 2002 opening sequence featuring the theme song by Simple Plan: What's New, Scooby-Doo?TV Show | 2002
Features appearances by celebrities and athletes like , Brett Hull , and Ryan Sheckler
debuted as Velma Dinkley , and Grey DeLisle took over as Daphne Blake .