[1] Walker trained in clowning at the École Philippe Gaulier in 2014 for two years,[3][4] after initially attending the school for a one-month summer intensive course.
[4] Walker won the Melbourne International Comedy Festival's Best Newcomer and Director's Choice awards in 2016 for his show Beep Boop[5][better source needed] and appeared in Whose Line Is It Anyway?
[6] He participated in the comedy group Feeble Minds with Sam Campbell, Craig Anderson and Aaron Chen for the 2016 show Zanzoop.
[13] With the show largely based around the concept of mime, Paste praised Walker's "impeccable timing" and "combination of sweat and talent".
[15] During the COVID-19 pandemic, Walker said he and Lardner had "pretty much moved everything online", particularly using livestreaming platform Twitch, as well as making more sketch comedy.