To some a loose cannon, to others a revolutionary the kind of which South America has not seen since the days of Che Guevara.
On meeting "Chila", I'd go for the latter.
And, given the nature of Latin American politics, his populist appeal should stand him in good stead.
But, for now, Chilavert will have to make do with shaping the fortunes of Paraguay on the pitch .
Chilavert misses the friendly against England on 17 April with a shoulder injury, but he is acutely aware of his responsibilities at the World Cup.
"Paraguay have made history," Chilavert told BBC Sport Online.
"Just to reach two World Cups is difficult in itself, but this group of players have done a fantastic job.
"We can dream of having a good World Cup.
"Paraguay have got very good players. We've got some very experienced players and the dream for all of us is to reach the final.