Jesus, look at the freaking size difference in that GIF. Fitch looks like he's multiple weight classes above Penn. Well, in reality, Penn is a small LW and could easily fight at 145 so I suppose that is somewhat true, but man, Penn is such a warrior.
“Anna, my strong, terrifying Anna.” -Cas
"You lack the requisite spine and testicular fortitude to study under me" -Elodin