He can sometimes come off as a grumpy and bitter old guy at times. Serious-minded, individualistic and thorough, the ISTJ personality types like to plan, schedule and drive through to completion, in a logical linear sequence. The Ace: One of the most gifted, versatile and dedicated workers ever. Bret could do technical wrestling, fly, throw power moves, work a singles or tag-team. Bret Hart was considered a tremendous in-ring performer and generally weak promo when he broke out.