If you watched anime on cartoon network in the 90s-early 2000s, you definitely saw Big O.
It a noir spy film/mystery detective anime starring ultra rich, suave and handsome Roger acting as a professional negotiator, whose only cares in the world are women and the color black.
However, what starts out as simple negotiations with clients, always end up turning into huge missions that require saving Paradigm City. Often times using his big robot Big O.
Looking at the description doesn't Roger sound a lot like another rich man who loves black and has too much money? Bruce Wayne?
I thought about that today and I looked it up and apparently both shows in the 90s were animated by the same Sunrise studio and they drew influences from Batman.
Look at this cool comparison:
So cool. I never knew...