This article has not been given a name, as such, the name Antonio's New Girlfriend, is purely conjectural.
Antonio's new girlfriend is a character in Despicable Me 2.
Despicable Me 2
When Gru is about to leave Eduardo Perez's house, he finds Margo, who is sitting depressed and eating a chip hat instead of being with Antonio Perez. Gru approaches her and asks what happened, she replies, "I hate boys." And then Gru sees that Antonio is dancing with another girl.
Before leaving, he shoots Antonio with his Freeze Ray, leaving him trapped into an ice block. Astonished by what happened, Antonio's girlfriend tries to pull out him from the ice but she fails.