Complex sentence: The character was distinctive for his self-assured but merciless, literally black & white, sense of right & wrong (he frequently executed the criminals he caught, even if they surrendered) which recalled the old Charlton Comics character The Question created by Steve Ditko.
Split into simpler sentences: The character was distinctive for his self-assured but merciless, literally black & white, sense of right & wrong: he frequently executed the criminals he caught, even if they surrendered. In this manner Justice recalled the old Charlton Comics character The Question created by Steve Ditko.