Interesting question. Looking back on the shows I've done, the first one with kids, I think I leaned more toward a Bert Parks - keep it moving, upbeat, light. The second one, the category matching game, the Parks side was still there, with more Art James-Jim Lange blended in. Being older and perhaps a bit less patient, if I launched a new one, I'd have to be careful not to let the mean Dawson out if a contestant does something totally dumb. Maybe I wouldn't say what was on my mind, but I'd have to watch out for my tone changing. If you're going to be real instead of playing an MC, you'd have to look at your relational strengths and weaknesses and figure out how to incorporate both into the show so things go at an even keel and contestants/viewers aren't turned off by being too fakey cheery or too sarcastic. All that said, the format of the show would be the best determinant of what you need to be like to make it work.