Frankie Fazbear 2.0

Frankie Fazbear 2.0 is an animatronic in the Five Nights at Freddy's series. He is also a MAJOR antagonist in the Five Nights at Frankie's Series. He is the replacement for the malfunctioning original Frankie Fazbear in Five Nights at Frankie's 2.

Five Nights at Frankie's
Although he does not physically appear in Five Nights at Frankie's, in Five Nights at Frankie's 2 it is confirmed in a cutscene that Frankie Fazbear 2.0 was being built during night 6 and 7 of the first game.

Five Nights at Frankie's 2
In the second game, Frankie 2.0 is physically there and is a replacement for Frankie. He is discontinued afterwards and Frankie takes his spot back.