Northernlion, real name Ryan Letourneau, is a Canadian Twitch streamer and YouTuber known for long running indie game series, dry commentary and quick offhand jokes. Clips of his one liners are frequently pulled from streams and shared on soundboards because his calm delivery makes even throwaway lines reusable. This your mother line comes from a stream moment referenced as the Dles, and it spread as a short reaction clip among fans who use his voice for comebacks and in jokes in chats, edits and gaming videos.