MM3 is a popular roblox game made by a ROBLOX group called "Murder 3 productions". This group is owned by three people. DevPlateau, Zacrichey and Athzea. DevPlateau is the Main Developer, if you could say, of the game. Zacrichey is THE CLOWN and Athzea is the Director of the game. The game has before been banned for copyright reasons (which were false) but now it is back up.

n. The birth name of somebody who has changed their name. Most commonly attributed to trans people, but can be attributed to any person who has changed their name. (sometimes written as two words: dead name)

v. 1. To call somebody by their deadname.
v. 2. To out somebody's deadname to the public.