When I first started this game he was in almost every squad... He is pretty much useless at this point. I really don't have a point to this... I just scroll past him as I'm upgrading other toons and c...
OK, lets see how high you can get his HP unmodded in % terms. Iirc, his base potency is 22. His zeta will bring it to 72 in effect. Pappy gives him +32 Potency AND HP. This gives him 104% Potency and a total of 136% HP from Pappy and his Zeta. Unmodded. Even a squishy gaining that huch can be hefty. My Mail is only 4*, but under Pappy lead he starts with some solid HP.