John Semper Jr.

An image from Alvin and the Chipmunks, one of the productions that also features John Semper Jr..

John Semper Jr.

John Semper Jr.

August 14, 1952

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Spider-Man

Spider-Man

1994

The Jetsons

The Jetsons

1962

The 13 Ghosts of Scooby-Doo

The 13 Ghosts of Scooby-Doo

1985

Static Shock

Static Shock

2000

Green Lantern: Beware My Power

Green Lantern: Beware My Power

2022

Class Act

Class Act

1992

Alvin and the Chipmunks

Alvin and the Chipmunks

1983

The Incredible Hulk

The Incredible Hulk

1996