This is a really old plugin, if by request you want me to remove the messages I might just do that.
Kits involved:
PvP - default class
Archer - default class
Shark - speed & regen in water
Prick - cactus does poison
Herobrine - flash light makes you invis
Pyro - fire sword
Cookiemonster - eating a cookie gives strength for 3 seconds (25 cookies)

SharpKits 2014-12-18
Old KitPVP server plugin.