Hanna-Barbera

1971–1974

 * NOTE: First appeared on screen in 1966.

1979–1992
The Swirling Star logo, designed by Art Scott.

2002–present
Hanna-Barbera was absorbed into Warner Bros., though a new script logo (based on the 1961 logo) is being used to promote H-B shows and characters. This logo is only used on merchandise.