There were 2 registered Roblox users with the username Guest_666 and Guest666, but both got banned.

Guest's voice is sampled from the Japanese voice for Rantaro from Danganronpa.

Partway into Unregistered Fire and during Powering Decimation, Guest is a bit more polygonal, certain parts of his clothing are a bit darker, and his face is in a perpetual smile.ĭuring An Evil Guest, Guest turns into Guest 666, who has completely black skin, glowing red eyes, and a red pentagram is spinning on his right hand during his idle. Guest appears as a humanoid with white skin, a black shirt with the text 'Roblox' on it, black pants, the ROBLOX 'R' Baseball Cap, and black sneakers. His main songs include Unregistered Fire and An Evil Guest, but he also appears as the third and final opponent in Powering Decimation. He was the default skin for guest accounts in Roblox before being removed in 2017.

Guest is the main antagonist of Unwanted Guest. ― Guest 666, ObliviousHD's Guest 666 Part 1

“ wANnA bE fRieNDs?! yOUr woRST nIGHTmARe.

Roblox noob t pose