Drake is a woolly mammoth. No, that wasn't an eyebrow joke, but that's actually the animal Drizzy will be lending his voice to in the new animated movie Ice Age 4: Continental Drift.
Here's some behind the scenes clips of Drake recording in the studio for his character Ethan. Ice Age 4: Continental Drift.
See the finished animation here http://www.vibe.com/article/watch-drake-ice-age-4-continental-drift-video