Russ Walko is an American puppeteer and actor.
Russ Walko operated the Tom Servo puppet during Turkey Day '14, Turkey Day '15, the Leaked 'Star Wars' Auditions short and the Bring Back MST3K Marathon.
Russ acts as the primary operator for the Tom Servo puppet in Season 11 and Season 12. He also operates and voices Growler.
After the announcement that there would no additional seasons of MST3K produced for Netflix, Walko's potential involvement with any future MST3K projects became unclear. It was later announced that he would work as a puppeteer in the new series, and he performed as Growler in a short scene during The Final Countdown II. He continued to play Growler for all of the character's appearances in Season 13.