Matthew "Matty the Horse" Ianniello (born June 18, 1920) is a New York mobster with the Genovese crime family

Genovese crime family

The Genovese crime family , is one of the "Five Families" that dominates organized crime activities in New York City, United States, within the nationwide criminal phenomenon known as the Mafia . The Genovese crime family has been nicknamed the "Ivy League" and "Rolls Royce" of organized crime...

 mobster who specialized in vice operations. He was acting boss of the family from 1998–2005 and is the owner of numerous nightclubs in the New York City area.
Ianniello got the nickname "Matty the Horse" from a fight at a boyhood baseball

Baseball

Baseball is a bat-and-ball sport played between two teams of nine players each. The aim is to score runs by hitting a thrown ball with a bat and touching a series of four bases arranged at the corners of a ninety-foot diamond...

 game. During the fracas, the young Ianniello knocked out a bigger boy, prompting someone to exclaim that he had a punch like a horse.