1. Best? No. But I could argue 3 other characters who are at an equal level if he's not above them.
1. a. Yes, he was the best character in DOA3.
1. b. Yes, he was one of the three best characters in DOA4.
1. c. No, he was the 2nd best character in DOA1
1. d. No, he was the 3rd or 4th best...