Better question, who's dick is the best
Well, Yellow Temperance can be used to mimic someone else's dick. So, theoretically, if you wanted Drake's knob inside of you, Rubber could recreate it.
If we're talking without the stand, he's still jacked as all hell which probably means he has a decent chunk of meat in those pants.
The old bastard, despite being in a porn game, probably has like 2 inches MAX