japanese banks go under as hit by sub prime

Important info below. Things have just started:

Following the problems in the sub-prime lending market in America and the run on Northern Rock in the UK, uncertainty has now hit Japan.
In the last 7 days Origami Bank has folded, Sumo Bank has gone belly up and Bonsai Bank announced plans to cut some of its branches.
Yesterday, it was announced that Karaoke Bank is up for sale and will likely go for a song while today shares in Kamikaze Bank were suspended after they nose-dived.
While Samurai Bank are soldiering on following sharp cutbacks, Ninja Bank are reported to have taken a hit, but they remain in the black.
Furthermore, 500 staff at Karate Bank got the chop and analysts report that there is something fishy going on at Sushi Bank where it is feared that staff may get a raw deal.