Grim Resolve, Shake it Off, Tough Guy

[Vulcan]

What types of characters do you guys give these attributes to?  I generaly use my best judgement when giving attributes to characters but having a good rule of thumb is very useful when creating characters I'm not completely familiar with.

[Epimethee]

Obsessive tank types, mostly: The Thing, Wolverine, Juggernaut, Drax... guys having the annoying tendancy to stay up when they ought to go down.