Shadow Bonnie/ RWQFSFASXC

Shadow Bonnie or RWQFSFASXC by code is an Easter egg from FNAF 2. He appears at the office in random times. In Markiplier's playthrough, he is seen in a wall in the FNAF 3 episode, "Puppet Master Returns"

Appearances:

Puppet Master Returns

All Secrets Revealed!

Trivia:

Shadow Bonnie is Toy Bonnie, but colored black.