 
 <translate> The important part for answering this question is: Developed by series creator Eric Kripke, the character is mainly portrayed by Jeffrey Dean Morgan.
So, the final answer is John Eric Winchester. <hau> Muhimmin bangare don amsa wannan tambayar shine: Wanda mahaliccin jerin Eric Kripke ya kirkira, Jeffrey Dean Morgan ne ya fi taka rawa. Don haka, amsar karshe ita ce John Eric Winchester. 