Yu - Gi - Oh ! R characters Klamath Osler . Klamath Osler 「 クラマス ・ オースラー , " Kuramasu Ōsurā " 」 is the third Card Professor who is obsessed with his luck . Jonouchi defeats him . He is named after Klamath Falls , Oregon . " Klamath " is also a pre - release codename for the 300MHz Intel Pentium II chip . His last name , Osler , could be a jumble of the word ' Loser ' . He also seems to know Kirk Dixon , mentioning him when he meets with Joey and Tristan . This is futher supported by a picture of himself and Kirk operating remote - controlled toys , based on the monsters that they use . Klamath uses an Insect Deck that centers around his Antlion . < br > Pete Coppermine . Pete Coppermine ( ピート ・ コパーマイン , " Pīto Kopāmain " ) is the fifth Card Professor whom Jonouchi defeats . He is named after the Coppermine River in Oregon . The name of that river was used as a codename for the 866MHz Flip Chip Pin Grid Array ( FCPGA ) Pentium III ( P3 - 850 ) microprocessor , which was released by Intel . Pete plays a Mutant - themed Deck . < br > Mendo Cino . Mendo Cino ( メンド ・ シーノ , " Mendo Shīno " ) is the seventh Card Professor whom Jonouchi defeats . He calls him a " Dollar Store " Duelist . " Mendocino " is also a pre - release codename for the 300MHz P6 Intel Pentium II Centrino chip . Mendo uses a Mantis - themed Insect Deck that centers around using his Labor Pain card to limit his opponents ' summoning . < br > Willa Mette . Willa Mette ( ウィラ ・ ミット , " Wira Mitto " ) is the eight Card Professor whom Kaiba defeats . He is later a spectator for Kaiba and Yako ' s duel . The Willamette is a river in Oregon and a codename for Intel ' s 1 . 5 GHz P7 Pentium IV . Willa plays a White - Horned Dragon Deck that uses said monster as his trump card . It also makes great use of a combination of Mist Body with Lancer Dragonute and Axe Dragonute . < br > Ted Banias . Ted Banias ( テッド ・ バニアス , " Teddo Baniasu " ) is the ninth Card Professor of " Yu - Gi - Oh ! R " whom Gekkou defeats . Banias is the codename for Intel ' s first x86 Pentium M chip . Ted uses a Beast - Warrior Deck . < br > Depre Scott . Depre Scott ( デプレ ・ スコット , " Depure Sukotto " ) is the eleventh Card Professor and another of Pegasus ' adopted sons . He is defeated by Yugi . Prescott was the codename for the 90nm version of Intel ' s Pentium 4 microprocessor . Depre uses a Cosmic - themed Deck . < br > Richie Merced . Richie Merced ( リーチー ・ マーセーッド , " Rīchī Māsēddo " ) is the twelfth Card Professor and another of Pegasus ' adopted sons . He wielded a Black Duel Disk , proof of being the strongest card professor . He defeats Gekkou , and is later defeated by Keith , who takes his Black Disk from him . He seems to care for no one but Pegasus . In a flashback to his past in chapter 27 , Richie used to live rough on the streets before Pegasus gave him his deck and taught him to duel , making Richie respect and loyal to the man who saved him from his harsh life . He is last seen with Depre watching Yugi and his friends reunited on the Kaiba Corperation rooftop . Merced was the codename for Itanium , an IA - 64 microprocessor developed jointly by Intel and Hewlett - Packard . Richie uses a Gunslinger Deck . < br > Cedar Mill . Cedar Mill ( シｰダｰ ・ ミｰル , " Shīdā Mīru " ) is the thirteenth Card Professor . Although he ' s not actually named in the actual manga , dispatched almost offhandedly in a single panel by Yugi ' s Slifer the Sky Dragon , Cedar is identified in a sketch in the 4th volume of the collected manga . This sketch also identifies Cedar ' s Deck as a " High - Tech Marionette Deck " 「 ハイテックマリオネット 」 . Cedar Mill is the name of a location in Oregon , as well as the codename for the 65nm version of Intel ' s Pentium 4 microprocessor .