Michael McKean as Grandpa Max Tennyson - Ben 10 (Live Action tv show) Fan Cast | myCast.io
Michael McKean
Age: 78
male
Michael McKean (born October 17, 1947) is an American actor, comedian, writer, composer and musician, perhaps best known for Laverne & Shirley, Spinal Tap and Better Call Saul.
On summer vacation, an eleven year old boy discovers an alien pod with a mysterious alien watch-like device and as it attaches itself to his wrist, it allows him to transform into 10 different alien heroes to fight crime and evil aliens.
