SHEER FORCE FERALIGATR THO
If you have Pokemon bank, from February 27th until November 30th you will be able to get the three Johto Starters with their hidden abilities. These cannot be acquired any other way.
Feraligatr will have sheer Force(Sweeeeeet)
Typhlposion will have Flash Fire(coolio)
Meganium will have Leaf Guard(._.)
Thanks to Serebii for the info.