Is it a network bot (some networks provide bots via botserv) if so type /botserv help for a list of various commands. Now if it is just someones bot kick it out of the channel then remake your channel...
From the quakenet.org L FAQ: You can remove L by deleting every user from the chanlev, and obviously, removing yourself last. You must remove yourself last, otherwise you cannot remove everyone else before you.
