Ratchet

-he is kind or caring well when he wants to be other wise he is grumpy and sometimes throws wrench at others depending who it is -he is confident he knows what he is doing also i think he could be stubborn -he cares lot about others health so he overworks himself -usually yells at others "i needed that" -he is tall like 20 feet -he is second in command of the team prime -he isn't fan of humans -he is the best doctor you'll find -he knows your weakness and weakspots i mean he is a doctor of course he knows and he knows when you are lying don't test him he will keep his promises -12 million years old