Corny as it may sound but it's Jesus Christ. Some people may not even consider Him a real person but He is very real to me and countless others in the world. I have a deep personal relationship with Him for the past 20 years. I believe I have been a better person (and still a work-in-progress) because of Him. He's made a BIG IMPACT in me that it has changed my life in more ways than one. Plus, living in such an insane world, God gives me the peace. He's in control, you know. He is what makes me RADICAL!