Nicolas Cantu (born September 8, 2003), also known online as Junky Janker, is an American actor, voice actor, YouTuber, stand-up comedian, and animator. He served as the third voice actor of Gumball for The Amazing World of Gumball. He replaced Jacob Hopkins starting with "The Copycats" in season 5. He did not return to voice Gumball in The Gumball Chronicles, with Duke Cutler taking up the role.
- Dora and Friends: Into the City! (Diego)
- Lego Star Wars: The Freemaker Adventures (Rowan Freemaker, 13 episodes)
- Sofia the First (Prince James, 2 episodes)
- The Impossible Joy (Tomas)
- The Amazing World of Gumball (Gumball Watterson, 2017-2019)
- Hey Arnold!: The Jungle Movie (Curly Gammelthorpe)
- Vikes (Joey)
- The Walking Dead: World Beyond (Elton)
- He is of Mexican origin.
- He has an online YouTube presence under the name "Junky Janker," in which he publishes animation and comedy videos. He currently has over 400 thousand subscribers.
- He did a collaboration with CallMeCarson, in which Carson wrote a fake Gumball episode in Minecraft, and had Nicolas perform lines for it. He also has done another collaboration with him, this time in which he made a fake commercial for Carson.