That honor would probably go to Hannibal Lector, Hannibal the Cannibal, from the book and movie Silence of the Lambs.
I Killed My BFF - 2012 My Best Friend the Serial Killer 1-8 was released on: USA: April 2013
Michael Myers. If by best, you mean worst, see the links below.
Russia's best known serial killer is probably Andrei Chikatilo, who was convicted of at 52 murders, but as with many serial killers the total may be much higher. Chikatilo was executed on February 14, 1994. Below is a link to a complete list of Russian serial killers.
case study
The Christopher Killer is a novel by Alane Ferguson set in the small town of Silverton, Colorado. Alane Ferguson is an author who has won the Edgar Award for Best Young Adult Mystery novel in 1990 for Show Me the Evidence.
Choking Victim
bam margera
its your choice
dan
Reshiram
Artur boruc
the best (or strongest) Pokemon is probably arceus