Have to go with the first, Raiders of the Lost Ark.
It introduced us to Indiana Jones and his adventures and it had some of the most memorable moments in the Indiana Jones saga.
Now I could take the easy route and say Boba Fett, but he's the easy answer.
I will go with Aurra Sing, no other bounty Hunter has been around as long as she has
you're being mean lol
I'll avoid the ones I've heard that are being made be it fact or rumor
I would love to see a Jedi Exile Action Figure from KOTOR 2