Welcome to Club48, use this thread to talk about random 48 stuff that isn't related to release news. Consider it a spam thread for talk, video, pictures, etc.
Fangasms are welcome, but this is the MM-BBS so be prepared for the occasional bashing.
Club48 is my pet-name for all the 48 groups and sub-units under Akimoto's 48 umbrella. It's a homage to Onyanko Club.

Now a basic overview of who belong to Club48, as well as past and present sub-units. [There be pictures under the spoiler tags! You've been warned.]
Start Date : 2005
Member Roster (Current Members as of Sep. 2011)
Iwasa Misaki, Oota Aika, Ooya Shizuka, Katayama Haruka, Kuramochi Asuka, Kojima Haruna, Sashihara Rino, Shinoda Mariko, Takajo Aki, Nakagawa Haruka, Nakata Chisato, Nakaya Sayaka, Maeda Atsuko, Maeda Ami, Matsubara Natsumi
Itano Tomomi, Uchida Mayumi, Umeda Ayaka, Oshima Yuko, Kikuchi Ayaka, Tanabe Miku, Nakatsuka Tomomi, Nito Moeno, Nonaka Misato, Fujie Reina, Matsui Sakiko, Minegishi Minami, Miyazawa Sae, Yokoyama Yui, Yonezawa Rumi
Ishida Haruka, Kasai Tomomi, Kitahara Rie, Kobayashi Kana, Komori Mika, Sato Amina, Sato Sumire, Sato Natsuki, Suzuki Shihori, Suzuki Mariya, Chikano Rina, Hirajima Natsumi, Masuda Yuka, Miyazaki Miho, Watanabe Mayu
Abe Maria, Ichikawa Miori, Iriyama Anna, Shimazaki Haruka, Shimada Haruka, Takeuchi Miyu, Nagao Mariya, Nakamata Shiori, Nakamura Mariko, Yamauchi Suzuran
Izuta Rina, Kato Rena, Kobayashi Marina, Fujita Nana, Kawaei Rina, Kojima Natsuki, Natori Wakana, Morikawa Ayaka,
Iwata Karen, Omori Miyuu, Saeed-Yokota Erena, Sasaki Yukari, Suzuki Rika, Takahashi Juri, Tano Yuuka, Hirata Rina, Muto Tomu
Soloists

Itano Tomomi

Maeda Atsuko
Units
[Members- Kojima Haruna, Takahashi Minami, Minegishi Minami]
[Members- Oota Aika, Nakagawa Haruka, Hirajima Natsumi, Watanabe Mayu, Kikuchi Ayaka]
[Members- Oota Aika, Nakagawa Haruka, Hirajima Natsumi, Watanabe Mayu, Kikuchi Ayaka, Iwasa Misaki, Komori Mika]
[Members- Kashiwagi Yuki, Takajo Aki, Kuramochi Asuka]
[Members- Kitahara Rie, Yokoyama Yui, Oshima Yuko, Sashihara Rino]
[Members- Akimoto Sayaka, Umeda Ayaka, Masuda Yuka, Miyazawa Sae]
Special Units
Active Units (According to Wiki)Natto Angels Z - Special Unit for Natto Day 2010.
[Members- Miyazaki Miho, Nito Moeno, Sato Sumire, Ishida Haruka]
Team Dragon from AKB48 - Collaboration with Dragon Ball.
[Members- Maeda Atsuko, Takahashi Minami, Watanabe Mayu, Oshima Yuko, Itano Tomomi, Kojima Haruna, Kashiwagi Yuki ]
Mini Skirt - Collaboration with Takara Tomy to Promote Pretty Rythm Collection 2.
[Members- Mori Anna, Takeuchi Miyu, and Shimuda Haruka]
Ojarumaru Sisters - Unit Made up of 9th and 10th Gen. Kenkyūsei Members for Ojarumaru anime.
[Members- Oba Mina, Shimazaki Haruka, Shimada Haruka, Takeuchi Miyu, Nagao Mariya, Nakamura Mariko, Mori Anna, Yamauchi Suzuran, Abe Maria, Izuta Rina, Ichikawa Miori, Iriyama Anna, Kato Rena, Kobayashi Marina, Nakamata Shiori, Fujita Nana]
BABY GAMBA
[Members - Nakaya Sayaka, Tanabe Miku]
Former Subgroups/Units
Honegumi from AKB48 - Unit made for kids TV show, Karada de Asobo.
[Members- Masuyama Kayano, Itano Tomomi, Ono Erena and Oku Manami]
ICE from AKB48 - Unit for anime called ICE, also voiced the characters.
[Members- Ono Erena, Oshima Yuko, Kasai Tomomi, Sato Natsuki, Imai Yu]
Crayon Friends from AKB48 - Unit made to sing for Crayon Shin Chan anime.
[Members- Imai Yu, Urano Kazumi, Oshima Mai, Orii Ayumi, and Noro Kayo]
Chocolove from AKB48
[Members- Akimoto Sayaka, Miyazawa Sae, Nakanishi Rina]
Okashina Sisters - Unit made to sing for Mircale Mimika anime.
[Members- Oota Aika, Nakagawa Haruka, Watanabe Mayu]
AKBIdoling!!! Special Unit of 48 and Idoling!!! Members.
[Members from AKB48 - Itano Tomomi, Oshima Mai, Kojima Haruna, Maeda Atsuko, Oshima Yuko, Ono Erena, Kasai Tomomi, Matsui Jurina (SKE48)]
[Members from Idoling!!! -Endo Mai, Tonooka Erica, Yazawa Erika, Yokoyama Rurika, Sakai Hitomi, Asahi Nao, Kikuchi Ami, Miyake Hitomi]
Natto Angels - Unit for Natto Day 2009
[Members- Itano Tomomi, Miyazaki Miho, Kasai Tomomi]
Queen & Elizabeth - Unit sang for Kamen Rider Double TV Series
[Members- Itano Tomomi, Kasai Tomomi]
Start Date : 2008
Member Roster (Current Members as of Sep. 2011)
Oya Masana, Ono Haruka, Kato Rumi, Kizaki Yuria, Kinoshita Yukiko, Kuwabara Mizuki, Suda Akari, Takada Shiori, Deguchi Aki, Nakanishi Yuuka, Hiramatsu Kanako, Matsui Jurina, Matsui Rena, Matsushita Yui, Yagami Kumi
Akaeda Ririna, Abiru Riho, Ishida Anna, Ogiso Shiori, Kato Tomoko, Goto Risako, Sato Seira, Sato Mieko, Hata Sawako, Furukawa Airi, Matsumoto Rina, Mukaida Manatsu, Yakata Miki, Yamada Reika, Wakabayashi Tomoka
Isohara Kyoka, Ueno Kasumi, Kaneko Shiori, Kimoto Kanon, Kobayashi Ami, Sakai Mei, Shibata Aya, Takagi Yumana, Takeuchi Mai, Tsuzuki Rika, Nakamura Yuka, Hara Minami, Mano Haruka, Yamashita Yukari, Yamada Erika
Iguchi Shiori, Inazuka Asana, Imade Mai, Uchiyama Mikoto, Kito Momona, Kobayashi Emiri, Saito Makiko, Matsumura Kaori, Mizuno Honoka
Start Date : 2009
Member Roster (Current Members as of Sep. 2011)
[Captain - Noro Kayo]
Akita Kazue, Imayoshi Megumi, Umeda Haruka, Urano Kazumi, Okochi Misa, Ohori Megumi, Kaida Jyuri, Kato Mami, Kochi Masami, Kohara Haruka, Kondo Sayaka, Sato Yukari, Serina, Chen Qu, Tezuka Machiko, Nachu, Nishikunihara Reiko, Hatakeyama Chisaki, Mitsui Hiromi
Aikawa Yuki, Akiko, Ito Mana, Oyama Aimi, Kimoto Yuki, KONAN, Takahashi Yui, Tanisaki Tomomi, Tsuda Marina, Natsuko, Ninomiya Yuka, Fukada Akane, Fujikoso Yumi, Hosoda Miyuu, Matsushima Rumi
Kojo Seara, Komatani Hitomi, Shinahama Saemi, Siyeon, Tojima Hana, miray
Start Date : 2011
Member Roster (Current Members as of Sep. 2011)
Ogasawara Mayu, Kadowaki Kanako, Kishino Rika, Kinoshita Haruna, Kotani Riho, Kondo Rina, Shinohara Kanna, Jonishi Kei, Shiroma Miru, Fukumoto Aina, Matsuda Shiori, Yamaguchi Yuuki, Yamada Nana, Yoshida Akari, Watanabe Miyuki
Ota Riona, Okita Ayaka, Kawakami Rena, Kinoshita Momoka, Koyanagi Arisa, Hara Mizuki, Hikawa Ayame, Yamagishi Natsumi, Azuma Yuki, Ishida Yuumi, Uno Mizuki, Otani Riko, Okada Risako, Koga Narumi,
Kodakari Yuuka, Sato Sorai, Shimada Rena, Jo Eriko, Takano Yui, Takiyama Akane, Tanigawa Airi, Nakagawa Hiromi, Nishizawa Rurina, Hayashi Momoka, Fujita Runa, Mita Mao, Murakami Ayaka, Murase Sae,
Yagura Fuuko, Yamamoto Hitomi, Yogi Keira
HKT48 [TBA]
JKT48 [TBA]
(Misc. 48s - OJS48, TPE48)