MorphVOX Junior ..

MorphVOX is a free voice changing tool for adding fun to an online chat. Change your voice to enhance your online gaming experience or to disguise your age, gender or identity. MorphVOX Junior is perfect for online games and is also is great for prank calling friends via instant messaging and VoIP. Make your friends laugh. Send out belches and drum rolls with a push of a key, mouse or joystick button.

Get it here ..