Otto is the titular tritagonist of Illumination's 12th animated film, Minions: The Rise of Gru and the 2024 sequel Despicable Me 4. He is Felonious Gru's worker who traded the stone for a pet rock. After he traded it, he got the stone back to Gru, and the minions were rehired for a job.
He is voiced by Pierre Coffin, who also voiced Kevin, Stuart & Bob and Mel.