Very true. The Gabe Newell one slipped my memory, but was definitely a big surprise. Twisted Metal, on the other hand, was a great reveal but not especially surprising, personally.
It's obvious Microsoft is at a loss as to how to handle the Indie scene. Either that, or they don't care.
This isn't a lookalike article, really. Sure, there's a resemblance between the actors and the characters, but this is more about who'd be suited for the role, acting-wise. The pictures are just for reference :)
Jack, Chell and Isaac are all empty voids for the player to fill; they're not really characters perse, more like vessels.
While Hunt is obviously abrasive and divisive, he has qualities and a certain charm. To each their own.
I'd love to know how you'd justify Sev as a good protagonist. He's as bland as they come.