How many people did vlad dracul kill?

I don't think that there are any body counts - but you asked about vlad dracul (Vlad II "the dragon") It is well known that he murdered rivals, and participated in wars. If you are asking about Vlad III Dracula ("son of the dragon"), aka Vlad Tepes "the Impaler"), we still wouldn't know, as he was also war-like. Interestingly, Vlad II died in his 50s, and Vlad III in his 40s, so Vlad II had ten more years to raid.