I thought I had no clue as to the character...
Then I googled,.
Fist of the north star, I remember seeing it yonks ago on C4 late night.
Well leather armour is a must.
Unarmed yes.
Survival maybe.
Melee would help in NV too.
Strong and tough go with that.
Boxing tape would be nice, if you can mod a version to deal pure damage it would really work.
Perks the whole kit of unarmed, bonus damage, melee and DT boosting ones, lady killer may fit as well.
A rough sketch, I hope some one more familiar will pop up later.