The Japanese names of the minor Orochi generals Sheetweaver and Hammerjaw are Qiongji and Hundun respectively. Qiongji is seen as a boss in Shin Sangoku Musou Multi Raid 2 (Dynasty Warriors: Strikeforce 2), while Hundun is a secret boss and unlockable character in Warriors Orochi 3: Ultimate.
Contributed by DrakeVagabond
Two of the generic Orochi Army officers, Dodomeki and Gyūki, can be unlocked as playable characters by collecting treasures in certain battles, but they are only usable in the Versus and Survival modes.
Contributed by Kitsune Hawk
Himiko first appeared in Dynasty Warriors 3: Xtreme Legends as a bodyguard. Then again in Dynasty Warriors 4 in her Kessen incarnation.
Contributed by DrakeVagabond
Sun Wukong's third tier weapon, the Nyoi-bo, is named after the Japanese translation of "Ruyi Jingu Bang", an 8,100 kilogram staff used by Sun Wukong in the 16th century Chinese novel Journey to the West.
Contributed by Kitsune Hawk