i would have to say orcas (killer whales) or lions. lucky me a couple years ago i went to sea world and met one of the whale trainers and got to pet and feed an orca. it was so cool!
I love cats. I love there insticks (however you spell it) I love how they are so serious and don't neccessarily need humans to survive. You see all the wild cats out there. I love fish now also. Got in an obbsession kind of with them in June when I set up the tank. Oh well lol. Dogs are awsome too. And monkeys are pretty cool.
dogs are cool (way better than cats) for the opposite reasons that tetras gave (most dogs are loyal and completely dependent on people) o yea... and they are WAY smarter than cats
frogs are cool, dolphins are cool (they have language and even individual names!!!), I think that overall the diversity of life has come up with some REALLY cool stuff, insects intrest me as well... for how small their brain is (grain of sand or rice) they can do a lot...