If you don't have a dad, call him dad. I really don't think God cares about all that fancy stuff. The Lord's prayer is referring to the name "Jesus" not the name God. Jesus is above all names.
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Phoenix

A guy opens the front door and sees a snail on his doorstep. He picks up the snail and throws it across the street in a neighbor's yard. A year later, the guy opens the front door and the same snail is on his doorstep. The snail says, "What the f*ck was that about?"