I think
Max is a great name. Personally, I'm partial to
Maximillian nn
Max, just cause I'm pretentious like that.
Max on it's own is perfectly fine, though. Limiting
Max to the fn position, here are some possibilities:
Max CallumMax EamonnMax Euan /
EwanMax EvanMax EzraMax FrederickMax GriffinMax IsaiahMax Julius /
JulianMax LuciusMax TimothyMax Tristan