No "Dude of Cool" is not real yet. But I can see it happening. The ancient metaphor of the Lamb of God is not enough. We must go beyond and away from the innocence of a little lamb.
John Tavener setting of the William Blake poem.
I also can see it happening, perhaps in a children's Mass designed for teenagers. That's why I asked.
I have also heard "prince of peace etc."
Perhaps we can thank the likes of Oregon Catholic Press for this kind of stuff also.