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Sigthor, in Tag Force 1-3
Sigthor, in Tag Force 1-3
English name
  • Sigthor
Japanese translatedIkuo Kiyokuni
Japanese name
Japanese清国きよくに 郁夫いくお
Base清国 郁夫
Furiganaきよくに いくお
RōmajiKiyokuni Ikuo
  • Male
SchoolDuel Academy
DormitorySlifer Red
Tag ForceThird Dragon
Tag Force 2Time to Unite
Tag Force 3Union Frontline
Video game debutYu-Gi-Oh! GX Tag Force
Appears in
PlayStation 2Yu-Gi-Oh! GX Tag Force Evolution

Sigthor, known as Ikuo Kiyokuni in the Japanese version, is a character in the Tag Force series. He is a Slifer Red student.


Tag Force[edit]

Sigthor gives the player a "The Graveyard in the Fourth Dimension" card when they obtain his Deck Recipe.

He partners with Joshua during the Tag Force tournament.

Tag Force 2-3[edit]

Sigthor takes part in the Slifer Red Tournament, teamed up with Tryston.

Tag Force 2[edit]

In the fourth-to-last event of Chazz Princeton's story, Sigthor and KENYoU Tag Duel against the player and Chazz.


Tag Force 2-3[edit]

Strongly likes Likes Neutral Dislikes Strongly dislikes
  • Pineapple
  • Rice Ball
  • Croquette
  • Truffle
  • Cheese
  • Caviar
  • Ham
  • Cook's Sandwich
  • Any sandwich not listed
  • Ramen Noodle
  • Soba Noodle
  • Foie Gras
  • Tofu
  • Spicy Curry
  • Tomato
  • Hamburger
  • Top-Grade Salad
  • Spicy Fish Egg

Ending Scenes[edit]


Tag Force[edit]

In Tag Force, Sigthor uses a Deck largely composed of Normal Monsters. Its goal is to use "Heart of the Underdog" to have large amounts of them in hand and fuse them into more powerful monsters with "Fusion Gate".

After the first game, Sigthor uses Decks focused on Union Monsters.

Tag Force 2[edit]

  • Sigthor only uses this Deck for his duel in Chazz's story.

Tag Force 3[edit]