how old was sean marquette when he voiced mac

Sean Marquette was born on June 30, 1988, and Foster’s Home for Imaginary Friends began in 2004, so he was 15 or 16 when he voiced Mac, depending on the exact recording date.

Why it’s a range

• If the episodes were recorded before his June 30 birthday in 2004, he was 15.
• If they were recorded after that date, he was 16.

Quick context

He’s best known for voicing Mac in the series from 2004 to 2009, which fits that teenage timeframe.