What's up with Uranus jokes?

I just can't seem to understand

whats *down* with Uranus jokes?

Uranus was a god that ate his own children.

Uranus has an "us"

Came from "The Kentucky Fried Chicken movie"
The whole line was"Brown 25, another fine product from Uranus(the company that cares).

#4
And a "U ran".

Uranus is full of gas

@Dukedog said in #5:
> Came from "The Kentucky Fried Chicken movie"
> The whole line was"Brown 25, another fine product from Uranus(the company that cares).
No it doesn't.

@saurabhsangeeth said in #7:
> Uranus is full of gas
And it stinks..
(Astronomical POV)

@vellarco said in #2:
> whats *down* with Uranus jokes?
This: