Fredbear and Golden Freddy are different animatronics.

In Fnaf 4 we see Fredbear and he is Golden Freddy…

Springbonnie and Fredbear (aka Golden Freddy) by CarlosCreations on DeviantArt

Fnaf: Golden Freddy's secret. - Free stories online. Create books for kids

How To Unlock Golden Freddy in Roblox Fredbear and Friends Family Restaurant

Fnafhelpwanted unwithered fredbear (golden freddy) by Meshal1899 on DeviantArt

Five Nights at Freddy's lore explained

Golden Freddy (Fazbear Frights), Five Nights at Freddy's Wiki

How are these characters connected? Why would classic golden freddy exist if withered golden freddy wasn't retrofitted like the other withereds? : r/fivenightsatfreddys

This is more worse than Fredbear! Corrupted Golden Freddy! (FNaF 4 Mods)

Fredbear e Golden Freddy: os mesmos ou não?

Fredbear (Five Nights At Freddy's), VS Battles Wiki

Golden freddy/fredbear, Fnaf facts

Fredbear, Five Nights at Freddys AR Wiki

Fredbear's And Golden Freddy Timeline Final Nights by Jamsa49 on DeviantArt

After staring at pictures of nothing but Fredbear and Golden Freddy for an entire day, I have come to the conclusion that they probably looked something like this : r/fivenightsatfreddys