Klaculus
Klaculus is a great and funny guy on twitter, famous in the rtc aka roblox Twitter community. He was mentioned by a youtuber named KonekoKitten. He reviewed his username in a video and got a 10/10 username. He is also famous for being 'the yellow guy' on roblox.
Person 1: woah who is that yellow guy over there?
Person 2: are you kidding? Thats klaculus!
Person 2: are you kidding? Thats klaculus!