Voicemod has 110+ (and soon many more) different voices at your disposal.
You can check samples of some of them at the following link:
https://www.voicemod.net/voice-changer-demos/
You will find samples of all voices available in Voicemod!
Go check our Robot, Baby, Kid, Zombie, Ogre, Zombie, T-Pain, Lil'Mod, and many more!