http://en.akinator.com/#
so far it has figured for me:
janis joplin
leonard cohen
bibi netanyaho
tzipi livni
breatney spears
golda mehir
clinton
ron paul
step-son
x-wife
john criton form farscape
it couldnt figure out:
my father
nessus (a pierson's puppeteers from larry niven's books)