Gekkou Tenma

Gekkou Tenma (天馬月行 Tenma Gekkō) is Yakou Tenma's older brother from Yu-Gi-Oh! R (although only slightly older, since they are identical twins). Gekkou wants to stop the RA project.

Dueling Cards
Gekkou uses an Elf-themed Armament Deck:

Monster Cards

 * Learning Elf
 * Thoroughbread Elf
 * Boomerang Elf
 * Wonderbeat Elf
 * Angel 07
 * Rogue Doll

Spell Cards

 * Graceful Charity
 * Spirit Slayer
 * Armament Reincarnation
 * Neon Laser Blaster
 * Laminate Armor
 * Power Connection
 * Reflector Shield
 * Mark of Proprietor
 * Tribute of Burial Accessories

Trap Cardss

 * Mirror Barrier
 * Amulet of Affection
 * Holy Sacrifice