Fact #15

Did you know that all 6 Pokémon Professors in the Main Series games are named after trees. 

* Professor Oak: Kanto

* Professor Elm: Johto

* Professor Birch: Hoenn

* Professor Rowan: Sinnoh

* Professor Juniper: Unova

Bonus Professor down below
(WARNING SPOILER ALERT!)

* Professor Sycamore: Kalos (New Professor for X & Y)