Answer:
I am a protector of the scoreboard.
I am there when you sit, but gone when you stand. What am I?
I go up and I go down, towards the sky and the ground. Iโm present and past tense too, letโs go for a ride, me and you. What am I?
My full powers come when my makers are dead. I await a heavy hat to put on my head. What am I?
Curtail me thrice I am a youth; behead me once a snake; complete I'm often used in truth when certain steps you'd take.
I flow from the Homerโs mouth when he sees doughnuts.