Pika

Pika is a bad-ass marine type that's existed since the beginning of time. She has seen the after life and returned from it. She disappears for long periods of time known as deployment. Plot twist she's a he.

Marine life
Using her calladodee skills she has become the top marine in US Marine Corp with a kill streak of 502314543 and only 1 death.

The Death of Pika
She died back in 2010 deeply saddening and surprising many. however she ended up defeating Lucifer in a 1v1 allowing her to return to the world of mortals.

Currently
Some say Pika still travels the frontier, some say she sits around watching anime and playing video games... maybe we'll never know the mystery that is Pika.