Is Metallica's Cliff Burnstein actually old man Crothers from Scooby-Doo?

Melvin meets Cliff Burnstein , The Manager of Metallica

Sal - Calls Gary the Horse Tooth Jackass - as Cliff Burnstein About Metallica (replay)

Tesla's Brian Wheat on Tom Zutaut, Great Radio Controversy, Cliff Burnstein, Peter Mensch, Interview

Sal - Calls Gary the Horse Tooth Jackass - as Cliff Burnstein About Metallica

David Thomas (Pere Ubu) - We Were Gonna Be Metallica

Shocking: Brian Wheat (Tesla): Why Massive Success Can Ruin Your Career And How I Prevailed