Wolfhound is a light mech, all energy based. Was made popular as the personal ride of Phelan Kell during his early years. The Griffin (in particular the 2N) is an ancient medium chassis, dating back almost as far as the first battlemech, the Mackie. They are both solid, well designed mechs, though nearly all models of Griffin use little in the way of energy weapons so, gotta pay attention to ammo.