(P3-850) microprocessor, which was released by Intel. a.k.a. - The sixth professor, who is an old woman in a wheelchair that plays a forest-themed deck. Yugi defeats her. "Maico" is an alternate romanization of the name "Maiko", but it also refers to a brand of motorcycle. Kato Engineering is a company associated with motorcycles. The name also originates from the "KatMai" chip. - Yako Tenma's older brother (although only slightly older, since they are identical twins). Gekko wants to stop the RA project. He uses an elf deck. "Gekko" is the name of the microprocessor chip in the Nintendo GameCube. - Mendo, the seventh professor, uses an insect deck. Jonouchi defeats him. "Mendocino" is also a pre-release codename for the 300 MHz P6 Intel Pentium II Centrino chip. - Willa, the eighth professor, plays a White Horns Dragon deck. Kaiba defeats him. Willamette is a river in Oregon and a codename for Intel's 1.5 GHz P7 Pentium IV. - Tedd, the ninth professor, duels Gekko. Gekko defeats Tedd. Uses a Beast Deck. Banias is the codename for Intel's first x86 Pentium M chip. - Reiko, the tenth professor, duels Jonouchi. Jonouchi defeats Reiko. Uses a Chess/Deck Destruction Deck. Kitamori means northwood in Japanese. Northwood was the codename for the 130 nm version of Intel's Pentium 4 microprocessor. - Scott is the eleventh professor, and another of Pegasus' adopted sons. Yugi defeats Depre. He duels against Yugi using a Universe Deck. Prescott was the codename for the 90 nm version of Intel's Pentium 4 microprocessor. - Richie is the twelfth professor, and another of Pegasus' adopted sons. He duels Gekkou and wins. Merced was the codename for Itanium, an IA-64 microprocessor developed jointly by Intel and Hewlett-Packard. - Cedar is the thirteenth professor and, although he is not actually named in the actual manga, dispatched almost offhandedly in a single panel by Yugi's Osiris the Heaven Dragon (Slifer the Sky Dragon in the English version), Cedar is identified in a sketch in the 4th volume of the collected manga. Cedar Mill was the codename for the 65 nm version of Intel's Pentium 4 microprocessor. It is also a play on "Cedar Mills", which is an area in Beaverton, Oregon. - Appears in a special chapter of Yu-Gi-Oh! R. Momono tries to take over the Kame Game Shop owned by Sugoroku Mutou. His key card originates from "Tualatin" codename for the 1.266