Jacksepticeye

"Strap yourselfs in put on your big boy pants"

- When picked quote

Jacksepticeye (real-name Seán William McLoughlin, also known as Jack) is an Irish YouTuber who uploads gaming videos and occasionally vlogs, and founder of the clothes company CLOAK along with Markiplier. he is also the main player in Polaris: Player Select. He is the only player that appears in all episodes and usually has the largest screentime in episodes as a result. Jack is known for his signature green-dyed hair in all of his appearances.

Name origin
In Ireland, "Jack" is a common nickname for the name "Sean", and both his mother and friends called him this. His friends started calling him "Jacksepticeye" after a football accident where he received an eye laceration from a friend's glasses. According to him, the wound bled for quite some time and became infected after a few weeks, hence the name "Jacksepticeye".

Personality
In most episodes, Jack is known for being extremely energetic and loud, usually when something good or bad is going to happen. However, he takes his gaming extremely seriously, usually he will rage on his failures.

Appearance
Jacksepticeye first appears in 5 Little Tetris Season 1 and Season 2 Welcome to the Neighborhood