Many people still think that "Christ" is a last name for Jesus. I know it doesn't seem like a big deal, but knowing what we mean when we call on the name of Jesus is important.
Christ is a title. It means "anointed one." It's the greek form of "Messiah."
If I were the CEO of a company my card would look like this:
Daniel Maldonado, CEO.
CEO is my title.
So, in our modern way of title giving, it may be more appropriate to write:
But, of course, it doesn't flow as nicely and tradition will dictate how we refer to Jesus going forward.