Comedian Conan O'Brien has joined the cast of the upcoming animated feature "Toy Story 5" [1].

O'Brien's addition to the franchise brings a high-profile comedic presence to one of the most successful animated series in cinema history. His involvement signals Pixar's intent to expand the ensemble with distinct new personalities as the story evolves.

Reports indicate that O'Brien will voice a new character named "Smarty Pants" [1, 2, 3, 4, 5]. This casting was first reported in May 2025 [5]. The role is expected to introduce a fresh dynamic to the established group of toys, though specific plot details remain under wraps.

While most industry outlets identify the role as a new addition, some reports suggest a different direction for the character. One source said that the character could potentially replace the role of Forky [6]. This contradicts the wider reporting that "Smarty Pants" is an entirely new entity within the toy box.

O'Brien is well-known for his long tenure in late-night television and his distinct brand of improvisational humor. His transition into a major Pixar production follows a pattern of the studio casting recognizable voices to appeal to both children and adults.

Production details for the film continue to emerge as the studio prepares for the next chapter of the series. The inclusion of O'Brien suggests the film may lean further into the comedic timing and wit associated with the performer's public persona.

Conan O'Brien has joined the cast of the upcoming animated feature "Toy Story 5"

The casting of Conan O'Brien suggests that Pixar is looking to inject a specific type of intellectual, fast-paced comedy into the franchise. By introducing a character like "Smarty Pants," the studio may be attempting to pivot the humor to engage an aging audience that grew up with the original films while maintaining the slapstick appeal necessary for younger viewers.