guest 666 (hello Jonh doe)

Guest 666 in Hello John Doe is a mysterious and dark character based on the Roblox myth. He is a forgotten Guest who became lonely and resentful after the Guest feature was removed from Roblox. Throughout the story, he appears in different places and interacts with John Doe and other legendary characters. Although many fear him because of his strange powers and behavior, he is shown to be a tragic character who mainly wants to be remembered and accepted.

Short summary: Guest 666 is a forgotten Roblox Guest who becomes a dark and mysterious figure. Despite being feared by others, he is a sad and lonely character who wants to be remembered.