Question

Until 2015 , each new Roblox user automatically had one friend , what was he called

Answer 1

he was called "Hackers".

Answer 2

Answer:

He was called as Builderman.

It was basically an inactive alternate account of David Baszucki whose purpose is to send a message to the new user of Roblox as a Welcoming message for the user which stopped at the end of 2014. When someone created an account this Builderman was the first automatic friend and sent a following message to the user, Welcome to the Roblox. Hello, and welcome to Roblox is displayed on the screen first.