Gensokyo Girls

Gensokyo, the second dream... Touhou Project is not only known for its amazing OST, but also for its ENORMOUS cast of characters. Most of the characters are female, and are pretty original (as far as I know). Here is a list of the most notable:

Main

Name	Image	Who LuckyEmile views as their love interest
Reimu Hakurei		Sanae
Marisa Kirisame	File:Marisa.png	Alice (minor crush on Reimu)
Alice Margatroid		Marisa
Sakuya Izayoi		Remilia
Sanae Kochiya		Reimu
Youmu Konpaku		none

PC-98 era

Name	Who LuckyEmile views as their love interest	LuckyEmile's description
PC-98 Reimu	None	Reimu Hakurei before the Spell Card Rules
PC-98 Marisa	Reimu, then Alice	Marisa Kirisame before the Spell Card Rules
PC-98 Alice	Marisa	Alice Margatroid before the Spell Card Rules
Yuuka Kazami	Tenshi	Final boss of TH4. A sadistc yet elegant woman who is one of three villains. Created the Master Spark and Dual Spark.
Mima	none	Final boss of TH2. Used to be Marisa's mistress and taught her all her attacks. Created the Twilight Spark.
Shinki	none	Final Boss of TH5. Used to be Alice's Mistress. Created Makai.
Yumemi Okazaki	none	Final Boss of TH3. A scientist.
Sariel	none	One of the Final Bosses of the first ever Touhou game. All she has going for her is she is the "Angel of Death" (she can't even talk...)
Elly	none	Yuuka's gateguard, maid, and right hand woman.
Kurumi	none	Used to be a gateguard, now hired by Yuuka
Ruukoto	none	Reimu's robotic, nuclear-powered maid. Given to her by Yumemi in TH3.
Kikuri	none	???

Embodiment of Scarlet Devil

Name	Image	Who LuckyEmile views as their love interest	LuckyEmile's description
Rumia		Mystia
Daiyousei		Cirno
Cirno	File:Cirno.png	Letty
Hong Meiling		None
Koakuma		None
Patchouli Knowledge		Alice
Remilia Scarlet		None
Flandre Scarlet		Koakuma
Rin...		none	A character who didn't quite get into the game. They were going to be a playable character with the occupation of a nurse

Perfect Cherry Blossom

Name	Image	Who LuckyEmile views as their love interest	LuckyEmile's description
Letty Whiterock		none
Chen		none
Lily White		none
Prismriver Sisters		All none
Yuyuko		none
Yukari		none
Ran		none

Imperishable Night

Name	Image	Who LuckyEmile views as their love interest	LuckyEmile's description
Wriggle Nightbug		none
Mystia		Rumia
Keine Kamishirasawa		Fuijiwara (?)
Tewi Inaba		None
Reisen Inaba		None
Eirin Yagokoro		none
Kaguya Houraisan		(surprisingly) Fujiwara
Fujiwara No Mokou		None

Touhou 9: PoFV (actual name coming soon)

Name	Image	Who LuckyEmile views as their love interest	LuckyEmile's desciption
Shikieiki Yamaxanadu		none
Komachi Onozuka		none
Medicine Melancholy		none

Mountain of Faith

Name	Image	Who LuckyEmile views as their love interest	LuckyEmile's description
Shizuha Aki		None
Minoriko Aki		None
Hina Kagiyama		None
Nitori Kawashiro		None
Aya Shameimaru		Hatate
Kanako Yasaka		None
Suwako Moriya		None

Subterranean Animism

Name	Who LuckyEmile views as their love interest	LuckyEmile's description
Kisume	none
Yamame Kurodani	none
Parsee Mizuhashi	none
Yuuhi Hoshiguma	none
Satori Komeiji	None
Rin "Orin" Kaenbyou	Utsuho
Utsuho "Okuu" Reiuji	Orin	The "main" villain of Touhou Project. She became a Yatagarasu (sun god) and now possesses the ability to manipulate Nuclear Fusion!
Koishi Komeiji	None

Undenfied Fantastic Object

Name	Image	Who LuckyEmile views as their love interest	LuckyEmile's description
Nazrin		none
Kogasa Tatara		none
Ichirin Kumoi		none
Unzan		none
Minamitsu Murasa		none
Shou Toramaru		none
Byajuren Hijiri		none
Nue Houjuu		none

Ten Desires

Name	Image	Who LuckyEmile views as their love interest	LuckyEmile's description
Devine Spirit		none
Kykouko Kasodani		none
Yoshika Miyako		none
Seiga Kaku		none
Soga no Tojiko		none
Mononobe no Futo		none
Toyosatomimi no Miko		none
Mamizou Futatsuiwa		none

Double Dealing Characters

Name	Image	Who LuckyEmile views as their love interest	LuckyEmile's description
Wakasagihime		none
Sekibanki		none
Kagerou Imaizumi		none
Benben Tsukumo		none
Yatsuhashi Tsukumo		none
Seija Kijin		none
Shinmyoumaru Sukuna		none
Raiko Horikawa		none

Legacy of Lunatic Kingdom

Name	Image	Who LuckyEmile views as their love interest	LuckyEmile's description
Seiran		none?
Ringo		none?
Doremy Sweet		none?

Other

Name	Who LuckyEmile views as their love interest	LuckyEmile's description
Hatate Himekaidou	Aya
Suika Ibuki	None	A strong oni obsessed with saké. She hangs around the Hakurei Shrine a lot, and can grow or shrink to whatever size she wants.
Hieda no Akyu	Kosuzu	The ninth incarnation of the child of miare. She is the authour of the Gensokyo Chronicles and looks a bit like a certain someone.
Kosuzu Motoori	Akyu	A human who owns a book shop full of books written by yōkais.
Watatsuki no Toyohime	none	The true villain of Touhou Project! She is more carefree than her sister and is most in things for fun. She possesses fans which are capable of mass destruction!
Watatsuki no Yorihime	none	The true villain of Touhou Project! She weilds a mighty sword and is a master swordsgirl, and can invite gods into her body to gain powers like pyrokinesis and the ability to cut light!
Reisen II	none
Tenshi Hinanai	Yuuka	A die-hard masochist
Iku Nagae	none
Great Dragon God	none	The strongest God in Gensokyo! Last seen at the creation of Gensokyo, where he aided Yukari. He can travel through any barrier and can create and destroy anything!
Kasen ...	none
Renko Usami	Maribel
Maribel ...	Renko
Rinnosuke ...	none
Shanghai	None
Hourai	None
London	none
Titania	none	A human-sized dolls, and thus the second largest of Alice's dolls.
Goliath Doll	none	Alice's ultimate doll. It has incredible size and strength, but has terrible speed. It can be seen wielding two swords.
Goki	none
Zenki	none
Sunflower Fairy	none
Fairy Maid	none
Kedama	none
TBA