The drummer of Lordi, Kita, has decided to leave the band, after almost 10 years, this is truly a Sad day for the band and for the fans.
His reasons are that he wants to pursue his career publicly as himself, without his alter ego Kita.
You can read more about this here:
http://www.lordi.fi/2010/10/04/announcement-from-the-band-ilmoitus-bandilta-2/