Rieko Saibara (Kaasan - Mom's Life) is the organizer of a series of conference discussion/sketching challenges with manga greats that she appropriately calls "Rieko Saibara's Manga Artist Showdown." Some of the results of her April 3rd mega-showdown with Gundam designer/manga artist Yoshikazu Yasuhiko and other luminaries are being auctioned on Yahoo with the proceeds going to quake relief charity through April 29th.
Keisuke Itagaki (Grappler Baki)
Risa Itou (Higepiyo)
Nobuyuki Fukumoto (Kaiji, Akagi)
Kazuhiro Fujita (Ushio & Tora)
Mari Yamazaki (Thermae Romae)
Sensha Yoshida (Utsurun Desu)