Big Mouth Billy Bass
| Type | Novelty animatronic |
|---|---|
| Company | Gemmy Industries |
| Country | United States |
| Availability | 1999–present |
| Materials | Latex rubber, plastic |
| Features | Motion detection, singing fish |
Big Mouth Billy Bass is an animatronic singing prop, representing a largemouth bass, invented by Gemmy Industries on December 16, 1998; sold beginning January 1, 1999; and popular in the early 2000s.