AV Webcam Morpher
AV Webcam Morpher employs the next generation of advanced technology to digitally hide your shy face and embarrassing actions in video chat through webcam with terrific "nickfaces", "nickvoices" and special effects. Numerous "nickfaces" and "nickvoices" allow you to become invisible in video... The webcam software instantly changes your pitch and timbre of your voice to provide an unlimited variety of desired voice outputs; changes your voice to man, woman, teen, etc. ... to disguise voice in voice chat, PC-to-PC and PC-to-Phone programs.
http://www.softcns.com/downloads/avnex/webcam.exe - 16Mb - Download - Screenshot

AV Webcam Morpher Gold
AV Webcam Morpher Gold, the most advanced webcam chat software in its series allows users to be completely anonymous in webcam chat rooms due to its unique preset "nickfaces" and "nickvoices". With "nickfaces" collection, you'll have various faces (including male and female models) to choose. ... to disguise voices in voice chat, PC-to-PC and PC-to-Phone programs. ... To match your new appearance, or simply to have new voice of any gender and age, you can pick up any preset "nickvoices" to try, which are almost natural.
http://www.audio4fun.com/download/webcam-morpher-gold-aff.exe - 16Mb - Download - Screenshot