Fan Casting Ice Age 2002

Manny is a mammoth who is the last of his kind. He's grumpy, he's getting old, he's angry and has a very mean attitude towards anyone he comes across. Sid is a sloth who has a weird way of talking with his mouth. He's annoying, he's a trouble maker, he's lazy and has a reputation of being the most hated person on earth. Diego is a sabertooth tiger who hunts with his pack and kills humans. He's dangerous, he's feared, he's terrifying and he's Very scary and he has a big reputation of murdering children's parents Infront of the kids. So what happens when the 3 meet? They have to bring a baby back to it's father.