Immortal's Dad is a running gag between Immortal and the Creatures. The premise of the gag is Immortal pretending to be scolded by his "dad" when playing with a group of friends, most likely to mock children who get yelled at by their parents while playing an online game.
- His Dad has been played by Sly in Immortal and Nova's BattleBlock Theater to end the session.
- In Slender Garry's Mod (with Nova and Kevin), the Slenderman was his Dad
- In Garry's Mod-Jurassic Park, Immortal said his Dad was a dinosaur.
- He has mentioned that he kissed his Dad in The Last Update.
- Immortal sometimes pretends his Dad calls him, while he records.