▲
1
▼
Oyu is an alias for Oichi who is based off her namesake, Oda Oichi. Oichi was Oda Nobunaga's younger sister and was forced to divorce her husband and be married to Azai Nagamasa to broker an alliance between the Oda and Azai clans. After the Azai betrayed the Oda and were subsequently defeated, Oichi was honorably returned to her brother where she was remarried to her first husband.
▲
1
▼
Kotaro's character is based off a renown ninja of the Hojo clan, Fuuma Kotaro, the leader a group of ninja from Sagami province. Unlike the Kotaro of the game who appeared to be a young novice ninja, Kotaro was supposedly a forty-year-old ninja leader when Onimusha 2: Samurai's Destiny takes place around 1573.
Although in all likelihood, as Kotaro was a name accepted by numerous heads of the Fuuma family, this Kotaro could have been intended as the son of the aforementioned man, especially considering his character arc's ending.
Although in all likelihood, as Kotaro was a name accepted by numerous heads of the Fuuma family, this Kotaro could have been intended as the son of the aforementioned man, especially considering his character arc's ending.
▲
1
▼
Magoichi's character is based off one of the warlords to have held the name Saiga Magoichi, namely the second, Suzuki Shigehide. Shigehide was the son of a warlord from Kii province, Suzuki Shigeoki, and he led arquebuse units in defense of the warrior monks of the Honganji.
▲
1
▼
Ekei's character is based off a combination of his namesake, Ankokuji Ekei and the monk-warrior, Hozoin Inei. Inei was a warrior monk and founder of the Hozoin style of spear fighting.
Ankokuji Ekei was the abbot of Ankoku Temple and served the Mori clans. Unlike his in-game caricature he was small-framed and had very little combat training; he was sometimes referred to as "Motonari's Little Monk" by his contemporaries.
Ankokuji Ekei was the abbot of Ankoku Temple and served the Mori clans. Unlike his in-game caricature he was small-framed and had very little combat training; he was sometimes referred to as "Motonari's Little Monk" by his contemporaries.
▲
1
▼
Many of the characters in Onimusha are based off real people. Most obviously Oda Nobunaga, Toyotomi Hideyoshi, and Akechi Samanosuke (Hidemitsu) either return or are referenced from their actions in Onimusha: Warlords.
The main character, Yagyu Jubei, is based on the swordsman and small-time warlord Yagyu Muneyoshi, founder of the Yagyu Shinkage-ryu style of swordsmanship.
The main character, Yagyu Jubei, is based on the swordsman and small-time warlord Yagyu Muneyoshi, founder of the Yagyu Shinkage-ryu style of swordsmanship.
▲
1
▼

Matsuda's likeness was also used for Aokiji from One Piece.
Related Games
Onimusha: Dawn of Dreams
Onimusha: Warlords
Monster Hunter Generations
Mega Man Zero
Red Dead Revolver
Mega Man Battle Network 3 Blue
Breath of Fire III
Mega Man ZX
Magical Tetris Challenge
Mega Man X3
Warcraft III: Reign of Chaos
Mega Man Star Force: Leo
Resident Evil Outbreak File #2
Ghosts 'n Goblins
Resident Evil 2
Magic Sword: Heroic Fantasy
Mega Man 3
JoJo's Bizarre Adventure: Heritage for the Future
Resident Evil Code: Veronica
Mega Man Battle Network 5: Team Colonel
Resident Evil: Operation Raccoon City
Disney's Darkwing Duck
Mega Man X8
Resident Evil: The Darkside Chronicles
Street Fighter III: New Generation
Shadow of Rome
Mega Man Network Transmission
Resident Evil Gaiden
Ultimate Marvel vs. Capcom 3
Son Son
Bionic Commando
Daikoukai Frontier
Resident Evil
Night Warriors: Darkstalkers' Revenge
Capcom vs. SNK: Millennium Fight 2000
Mega Man Zero 2
Destiny of an Emperor
Phoenix Wright: Ace Attorney - Spirit of Justice
Tatsunoko vs. Capcom: Ultimate All Stars
Disney's DuckTales 2
Mega Man Battle Network
Final Fight 3
Mega Man 10
Resident Evil Outbreak
We Love Golf!
Final Fight 2
Steel Battalion
Apollo Justice: Ace Attorney
Mega Man Legends 2
Asura's Wrath