
Jack and Billy.
Game of Thrones Season 2, Episode 7

...and Billy Sparks,
who lived down the street from me...
The Big Bang Theory Season 3, Episode 5

between Billy the Kid and
the White Wizard of the North?
The Big Bang Theory Season 5, Episode 10

Sorry. I know how you hate it
when I call you Billy.
Westworld Season 2, Episode 9

a Helmet of Confusion spell
on Billy the Kid's cowboy hat?
The Big Bang Theory Season 5, Episode 10