Do you remember the moment in Pulp Fiction when Jules is asked by the robber to give him his wallet and Jules pulls out this?
And you realized it was the perfect wallet that embodies Jules' coolness, don't give a shit attitude and general badassery.
I've found the perfect ringtone (actually multiple) that unifies the same things plus cultural relevance and an extra dose of badass. This is a real quote and not voice actor.
The perfect ringtone.
More here, courtesy of Regretsy.
The full Pulp Fiction scene is below, with the best moment at 12:18.