Rook Hunt/Relationships

MC

 * Calls them "Trickster Yuu-kun"

Ace Trappola

 * Calls him "Monsieur Heart"

Deuce Spade

 * Calls him "Monsieur Spade"

Jack Howl

 * Calls him "Monsieur Tough Guy"

Epel Felmier

 * Calls him "Monsieur Crabapple"
 * While, in English, "crabapple" is a combination of the words "crab" and "apple," in Japanese, "crabapple" is hime-ringo&mdash; a combination of the words "princess" (hime) and "apple" (ringo), possibly the writer invoking the image of the princess Snow White.

Sebek Zigvolt

 * Calls him "Monsieur Crocodile"

Riddle Rosehearts

 * Calls him "Roi de Roses"

Ruggie Bucchi

 * Calls him "Monsieur Dandelion"
 * From the same hometown

Azul Ashengrotto

 * Calls him "Roi d'Effort"

Jade Leech

 * Calls him "Monsieur Mastermind" when addressing him and "Jade-kun" when talking about him

Floyd Leech

 * Calls him (ムシュー愉快犯）"Monsieur Joyous Offender" when addressing him.

Kalim Al-Asim

 * Calls him "Roi d'or"

Jamil Viper

 * Calls him "Monsieur Multi"

Silver
• Calls him "Monsieur Sleepyhead"

Trey Clover

 * Calls him "Rose Chevalier" when addressing him and "Trey-kun" when talking about him
 * In science club together

Cater Diamond

 * Calls him "Monsieur MagiCam"

Leona Kingscholar

 * Calls him "Roi du Leon"
 * From the same hometown
 * Classmates (3-A)

Vil Schoenheit

 * Calls him "Roi de Poison" and "Beautiful Vil" when talking with or talking about him, Rook calls him just “Vil”

Idia Shroud

 * Calls him "Roi de Ta Chambre"

Malleus Draconia

 * Calls him "Roi de Dragon"

Lilia Vanrouge

 * Calls him "Monsieur Curiosity"

Grim

 * Calls him "Monsieur Hirsute"

Ortho Shroud

 * Calls him "Monsieur Doll"

Neige LeBlanche

 * Rook is a big fan of him, going as far as to have a thick album full of photos of Neige.