Labiosa's most recognizable role was as the fired busboy in the Seinfeld episode "The Busboy", aired in 1991: Labiosa plays Antonio, who was fired after George Costanza and Elaine Benes lightly criticised him for leaving a menu to light on fire. George and Kramer go to apologize to the intimidating and muscular Antonio.
Labiosa is best known for his role as the fired busboy in the Seinfeld episode "The Busboy", which aired in 1991: He portrays Antonio, who was let go after George Costanza and Elaine Benes jokingly criticized him for setting a menu on fire. George and Kramer visit to apologize to the intimidating and muscular Antonio.