Zulium (real name : Thomas Smith) is a member of the famous ƬψƬ clan. He's also a programmer, and has a nickname, Tommy. He started his channel in February 23, 2014 but uploaded his first video only in August 1, 2015. He's grown very fast since his start, and now has 32K subscribers, making him the third most popular Agar.io Youtuber, behind Jumbo and Pumba.
The Sirius skin has been added on October 27, 2016 along with 7 more Youtuber skins :