1. Jacksepticeye started uploading videos to YouTube in December 2012 and his channel grew rapidly in the following years, reaching a million subscribers in 2014 and 10 million by 2016.

1. Jacksepticeye started uploading videos to YouTube in December 2012 and his channel grew rapidly in the following years, reaching a million subscribers in 2014 and 10 million by 2016.
Jacksepticeye continued to create YouTube videos and appear in live events, including Summer Game Fest in 2020.
Jacksepticeye is an active philanthropist, participating in fundraisers that have raised tens of millions for charitable organizations.
Jacksepticeye was raised in Cloghan in County Offaly, Ireland and lived for a time in Banagher.
Jacksepticeye's father worked for the Electricity Supply Board and his mother worked a number of jobs before she became a care-giver for his grandmother.
Jacksepticeye was given his nickname "Jack Septic Eye" after a childhood accident during a football match in which he injured his eye.
Jacksepticeye then moved to an apartment in Athlone, County Westmeath, in 2014 where he studied hotel management at the Athlone Institute of Technology, earning a Bachelor of Arts degree.
Jacksepticeye lived in Athlone until 2017 when he moved to Brighton, England.
Jacksepticeye was estimated to be the eighth highest-paid gamer by Forbes in 2019, with estimated earnings of $11 million, and he was announced as the third most talked about gaming personality of the year on Twitter.
Jacksepticeye was included in Forbes' Top Creators 2024 at number 23 with an estimated income of $18 million.
Jacksepticeye chose to use a stereotypical catchphrase for his intro to express his Irish identity to viewers of his videos, wearing a flat cap for the same reason.
Jacksepticeye has speculated that his Irish identity and accent has contributed to his success, saying that "[w]hen some young lad comes around and he starts screaming in an Irish accent and swearing, it's like people getting their own Irish drug".
Jacksepticeye's commentary has been described as "genuine" and "authentic" by TheJournal.
Jacksepticeye announced that the company had partnered with the Feya Foundation, a charity aimed at combating world hunger.
Jacksepticeye announced a comic book with comic book publisher Bad Egg, saying that he had been inspired to partner with the company after they released Godslap in collaboration with YouTuber MoistCr1TiKaL.
Jacksepticeye has argued that controversies with companies like Activision Blizzard and the use of slurs or "gamer words" on Twitch indicated a toxic "chad energy" in the video game industry and culture.
Jacksepticeye has been in a relationship with Dutch YouTuber Evelien "Gab" Smolders since 2019.