Martin LaTierri, more commonly known as Sonny, is a character from Grease and a member of the T-Birds. His girlfiend is Marty Maraschino. In the original Chicago premiere cast, he was played by Gerald Bolnick, in the original Broadway cast, he by Jim Borrelli, in the 1978 film by Michael Tucci, and in the 2016 live broadcast by Andrew Call.


Sonny is the funny smartass T-Bird, as he likes to joke around. He has a crush on Marty but she doesn't seem to reciprocate until the end of the movie.

Sonny is Italian, cocky, and "takes no crap from nobody" - except for Principal McGee. He can be a bit of a jerk, razzing Rizzo when Kenickie and the T-Birds picked her up at Frenchy's house.

At the National Dance-Off, he spiked the punch with whiskey - replying "Washing my hands" when queried by Mr.Rudie.

During the Hand Jive scene, presumed to be a bit drunk, he cut in while Danny Zuko and Sandy Olsen, pulling her away from Danny, allowing Cha-Cha to cut in.


Sonny is a stocky young guy with curly hair and a cocky grin.


Quotes From SonnyEdit

Sonny Geez! Every teacher I got this year has flunked me at least once!

Sonny, Hallway

Sonny Rizzo got a bun in the oven

Sonny, Drive-in theater

Danny I was hanging around down the beach, you know. You know.

Sonny I know what you mean, it's tough with all those chicks hanging around you.

Putzie Yeah, well, the only thing that hangs around you, Sonny, are the flies.

Sonny Hey, right here, Putzie, huh?!

Danny Zuco, Sonny, and Putzie., Front of the school


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