Jack's friend and editor is Robin, or pixlpit as his online alias.
Robin has appeared in a Worms Clan Wars video as a secondary player, in "Oh Sir...!
Westmeath, Ireland, and now currently lives in Brighton, England, though he hasn't done a house tour because he has had trouble with fans going to his house, which makes it unclear if he lives in an office, house or apartment.
He sometimes speaks Irish in his videos, such as various religion songs, and some phrases in Irish (some examples here).
Since then Jack has appeared in several more of her videos.
As of November 2015, Signe moved in with Jack, and the two currently live together in Brighton, UK.
As of December 2017, he has over 17.2 million subscribers and 8.4 billion video views, which makes him one of the most popular You Tubers on the website.
Jack refers to himself as the last remaining Bossatronio from the planet Bossatron (Spore).