9. A SPERM WHALE
The sperm whale is known as one of the deadliest whales in the ocean. Liam Neeson can’t breathe under water, but is still one of the deadliest mammals in the big blue sea. If the Irishman did need a breath, we're sure he would simply drag the sperm whale out of the ocean by its fluke and keep working it over, making it look like a cheap carnival gold fish when all was said and done.