Was Jesus a Christian or a Jew? [Spirituality & Religion]

That's like asking if God or the Holy Spirit were christians or jews. First of all Jesus is considered to be one form of God and part of the Holy Trinity, so he himself believing in a religion would be weird. Secondly, according to those who believe in him, he "wasn't" something because he still exists.
Personally I don't believe in his powers, if he existed at all I think he was a very special individual who cannot fit as a believer of any religion as they are known today.