Jack Black is an American actor, comedian, and musician with a significant body of work in voice acting for animated films. His career in voice performance began in the early 2000s, with one of his first notable roles being Zeke, a member of a saber-toothed tiger pack, in the 2002 animated film Ice Age. He continued to build his voice acting portfolio with the role of Lenny, a vegetarian great white shark, in the 2004 film Shark Tale.

Black's most prominent and enduring voice role is that of Po, the enthusiastic and klutzy panda who becomes the Dragon Warrior, in the Kung Fu Panda franchise. He first voiced the character in the 2008 original and has reprised the role for all subsequent sequels, including Kung Fu Panda 4. This character is widely considered his signature animated role. In 2023, he voiced the iconic villain Bowser in The Super Mario Bros. Movie. His performance, which included a power ballad titled Peaches, was noted for its musicality and became a viral moment, highlighting how his musical background often informs his voice acting. Other voice roles include narrating the coming-of-age story Apollo 10½: A Space Age Childhood and voicing the character JB in the animated series Tenacious D in Post-Apocalypto, which he also co-created with his band partner.

Across his voice acting career, Black is recognized for bringing his energetic comedic timing and musical talents to his characters, often blending humor with heartfelt moments. While he has not had recurring collaborations with a specific animation studio, his work on the Kung Fu Panda series for DreamWorks Animation stands as a long-term and defining partnership. His contributions to animated films have been acknowledged with award nominations, including a nomination for a People's Choice Award for Favorite Animated Movie Voice for his work in the Kung Fu Panda series.