Rowan is probably one of the few badasses that the series has, and easily has the best quotes out of all the professors
"Quiet, you lot! Why must you be such a nuisance? Let me list some lessons you still need to learn. #1: Donít loiter about for no good reason. #2: Donít interrupt others while they are attempting to converse. #3: If you donít get your way, donít raise your voice to be intimidating. #4: Donít think youíve grown strong just because youíre in a group. #5: What is with those outlandish outfits you have on? My goodness... You call yourselves adults? You kids, donít grow up to be like these sorry specimens."
I lol every time I get to that part.
Anywho, I voted for Birch do to not really being all that memorable for me.
Krystal and Phoenix Wright for Smash 4! ... Please, Sakurai?
Oak was the original. Birch actually gets out of his lab every so often. Rowan's actually kinda cool. And Juniper's hot. But Professor Elm... I mean, come on, he didn't even do that thing where the professor welcomes the player to the world of Pokemon, Oak did that. He didn't give you your Pokedex- that duty also went to Oak. I mean, it's not that he's bad, it's just that everyone else is better.
Official badass Admin of Team Miror Infinity. I ride a Shadow Scolipede. Top that. I dare you.