Lolbit is a helper in FNaF World that sells Bytes for the player to use, and the Bytes change depending on Lolbit's location. They acts as a helper and vendor for the player. They are later debuted as an animatronic from Five Nights at Freddy's: Sister Location. They are a recolored version of Funtime Foxy, appearing as a minor Easter Egg from the main game but also appears in the Custom Night as a customizable character. Lolbit also appears in Five Nights at Freddy's: Help Wanted as the main antagonist of the nightmare version of crossing through Funtime Auditorium.

Art source: https://www.deviantart.com/kizy-ko/art/Sister-Location-FNaF-World-Lolbit-663568358

(I edited the image slightly to have the pets and artist's name in it.)