Abel
That was Jacob. In the Bible, he believed his favorite son, Joseph, had been killed by wild animals but later discovered that Joseph was alive and in Egypt. Jacob was overwhelmed with emotion and wept with relief when he saw Joseph again.
Khmer rouge slaughtered one quarter of the worlds population in one blow
Cain
HITLER!!!!
The disease that killed a quarter of the population in Europe around 1350 is known as the Black Death or the Bubonic Plague.
If you are refering to cain from the bible then the reason he killed 1/4 of the worlds population is because according to the bible, when cain killed his brother able there were only a total of 4 people on earth ( adam,eve, cain, and able) so one person WAS 1/4 of the whole population
David
Yes. From 1647 to 1652, a massive outbreak of the black plague in Spain killed up to a quarter of Seville's population.
fleas
Into the walls of Athens and its port. The overcrowding brought on a plague which killed off about a quarter of the population.
Grendel is said to be born of the line of Cain, a biblical character who committed the first murder by killing his brother Abel. Grendel is portrayed as a descendant of Cain in the epic poem "Beowulf".
Hitler