It is required by law for a given name (imiÄ) to indicate the person's gender. Almost all Polish female names end in the vowel -a, while most male names end in a consonant or a vowel other than a. There are, however, a few male names (which are very old and uncommon), such as Barnaba, Bonawentura, Boryna, Jarema, Kosma, Kuba (a diminutive of Jakub) and Saba, which end in -a.
bestial - resembling a beast; showing lack of human sensibility; beastly desires; a bestial nature; brute force; a dull and brutish man; bestial treatment of prisoners. brute, brutish, beastly, brutal.
Luis Garavito: The Beast. Also dubbed by the media as the Le Bestia (The Beast), the Colombian is probably one of the world's worst serial killers. He confessed to the torture, rape and murder of 147 young boys. But the number is believed to be over 300.