Strelok was the main sound designer for the XTale/Underverse series. He is well known in the Undertale fandom, providing his realistic sounds to YouTubers like NCHProductions, super youmna, YAMsgarden, SFS Animation, and Camila Cuevas. He would later work with Jael Peñaloza on the Underverse and XTale series, starting with Underverse 0.3 Part 2.
Strelok also voiced Papiro, Sin, Undernovela!Dogamy, and Undernovela!Frisk in Xtra Scene 2.