I mean, 'famous' is in the title and Pinochet is probably more famous than either Allende by a wide margin, at least in the English-speaking world. Make of that what you will.
Best in international football? Cristiano Ronaldo has better stats in international football and by quite a bit, sure Messi is the Best but not for his nation.
Acknowledging fame or notoriety is not the same as condoning the person's actions. Murderous dictators are pretty much always notorious.
It's his stage name
should be accepted IMO