Ever had an annoying player you just couldn't get rid of? Now, you can get rid of them in the cruelest ways possible. http://dev.bukkit.org/server-mods/cruelty/
If you want to use the FULL features of Cruelty, download it from the dist folder, as opposed to Bukkit Dev, which rejects "malicious code".
Crueler Bukkit Plugin Features:
- /cruelcrash - Crash a player's client
- /cruelfreeze - Freeze a player's client indefinately