Software that changes your voice live?

[any ANONYMOUS forum user]

Hi, I'm looking for a good, preferably free, software that can change your voice live. Like on voice chat in a game, or on Skype or something.

Scramby lets you surprise and entertain your friends and acquaintances with your software telephone by changing/distorting your speech. Scramby works with Voice-over-IP (VoIP) solutions (Skype, Google Talk, Yahoo! Messenger, Vbuzzer, Dialpad, Chameleon, Gizmo Project, GloPhone, BuddyTalk, PicoPhone, Express Talk, PC-Telephone, NetZero Voice, Express Talk, Best_phone_2006, eyeBeam, Buzzfonp2p).

Scramby works with online games too. You can use voice distortion effects, joke voices and a generous supply of audio clips, while playing MMOG or MMORPG games (Massive Multiplayer Online Role Playing Games): World of Warcraft, Lineage, Guild Wars, Final Fantasy, Everquest, Star Wars Galaxies, City of Heroes, Eve Online, Dark Age of Camelot, Saga of Ryzom, Lord of the Rings, Dungeons and Dragons, Auto Assault, Matrix Online, Tabula Rasa, Teamspeak, Ventrilo, Virtual World, Second Live.