He began his career casting StarCraft II for companies such as GomTV in South Korea and IGN in California.

"[13] Lonnquist also declined Riot's offer to cast the 2016 League of Legends World Championship, stating that he had other esports-related obligations in Korea, along with personal projects.

[17] In April 2017, Lonnquist and Mykles were picked by Blizzard as both freelance casters and consultants for its upcoming Overwatch League.

[18][19] On January 6, 2020, Lonnquist announced that he was parting ways with the Overwatch League after two seasons;[20] the departure effectively ended his seven-year casting partnership with Mykles.

[21] In an interview with ESPN, Lonnquist stated, "The way they're going about doing things just, unfortunately, didn't jive with me and the direction I saw for myself within the league, so it was time to go.

[23][24] He returned to the Overwatch League for the 2021 season to cast late-night Eastern games alongside Andrew "ZP" Rush.