This is possible, and this plugin already exists. Just google CrackShot or minecrafr guns.
Yes. I even cleared my cookies, browser history and all that. It just sends me to dev.bukkit.org Wait, I think I was banned... Someone has been...
I was adding a plugin to Bukkit Development, and I was randomly logged out. I tried to log back in, but it sent me back to dev.bukkit.org.
Separate names with a comma.