The duo produced animated content for the likes of Hanna-Barbera, DePatieFreleng, and their namesake company.
Notable Ruby-Spears series includedAlvin and the Chipmunks,Mister T,Thundarr the Barbarian, andSuperman.
Charles Kenneth Spears was born March 12, 1938, and he grew up in the Los Angeles area.

Credit: Everett Collection
Spears began his career there in 1959 as a sound editor.
There he met Ruby, where they began their long creative partnership.
They later followed Silverman to ABC.
Taft Entertainment, the parent company of Hanna-Barbera, purchased Ruby-Spears Productions in 1981.
Ultimately, their entire catalog was sold to Turner Broadcasting in 1991.
The most recent title under that banner was this year’s CGI-animatedScoob!