Stephen Hawking's brains? Or Albert Einsteins? Richard Feynman? Carl Sagan? Nikoli Tesla?
Leonardo da Vinci's creativity in multiple areas?
The athlete whom you most admire in which sport?
The philosopher whose philosophy you most embrace and use as a pattern for yours or try to?
The voice you wish you had?
The composer whose music you most adore?
The personality of Will Rogers?
Etcetera etcetera etcetera?