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Indigo Universe is a Steven Universe and Undertale crossover by Yoidesuman on Tumblr.

Character Changes

  • Frisk's role is filled by Freven, a fusion of Frisk and Steven.
  • Pearl is Freven's guardian. She travels with him and protects him through the Underground.
  • Flowey's role is filled by Bisumer.
  • Toriel's role is filled by Rose Quartz.
  • Sans's role is filled by Lapis.
  • Papyrus's role is filled by Peridot.
  • Undyne's role is filled by Jasper.
  • Mettaton's role is filled by Garnet.
  • Alphys's role is filled by Amethyst.
  • Asriel's role is filled by Bismuth.
  • Chara stays the same.
  • Bratty and Catty's role is filled by Sadie and Lars.