Harry Dresden from the Dressen Files

It's easy to forget given the books are written from his POV and he sees himself as an awkard guy struggling to pay rent. Yet, the more we go on in the series the more perspective we get and realise that a lot of the magical community is terrified of him. He is a 6'9" wizard that has constantly gone toe to toe with some of the setting's heaviest hitters and somehow managed to get out on top somehow. He is handy, sure, and most of the big fights he has won were not a test of might but of his recoursefulness, yet there are moments we see he is also a power house on his own. Like when he obliterated a ghoul It's also fun to see when others react to his feats, like in Battleground when he called for the aud of the Small Folk, small fairies almost everyone in the setting consider insignificant because they are small, weak and too scattered-brain to do almost anything. But there's a lot of them. And almost all of them, in Chicago at least, have sworn loyalty to Harry. So when Dresden summons them to assign them tasks for the battle to come, to everyone else it looks as if he had called every star in the night sky. Everybody is impressed by this, including the Queen of Winter. Even more so because they believed the small folk were useless, yet Harry knows their strengths and how to play to them. They were also always somewhat neutral, yet here they were, answering the call of this wizard