Most antiquities scholars think that the New Testament gospels are "mythologized history." In other words, based on the evidence available they think that around the start of the first century a controversial Jewish rabbi named Yeshua ben Yosef gathered a following and his life and teachings provide...
That’s the thing. Personally I’d need an individual who fits the nonmagical description moderately well and made the majority of the claims he’s said to have made. Namely I need most of his major teachings coming from the same individual. A parable or two here or there is one thing, but the beatitudes, the greatest commandment, turn the other cheek, etc that’s important to the claim that this individual existed. If it was just some dude who got executed named Jesus who wandered around clarifying the Torah that’s not the historical Jesus