invisigoth (inˈvizəˌgäTH); or visi noun.

1. Hacker. A student of applied offensive technology who believes in the zen of weapons grade digital artillery.

2. Developer Author of vdb, vtrace, and vivisect, which are used around the world for pwning. oh and debugging and stuff.

3. Kenshoto Member Bat shit crazy member of the hacker group Kenshoto who won, and subsequently designed and implemented DEFCON ctf for a bunch of years.