Q:

Character Themed Cryptic Clues

Another themed cryptic clues puzzle. This time the theme is simply "characters". The solutions will be characters, but they can be from anything, including but not limited to books, movies, TV shows, songs, operas, comic books etc.
Heard beam in space (3)
Container for selfless lookalike (6)
Two cans from Belgium (6)
He escapes quickly down the street? (10)
In racecar, mentor is stabbed (6)
Hint:

The answer to clue number two comes from a famous piece of literature.

A:

Not sure about all of them but here are my guesses
Heard beam in space (3)

 Rey

Container for selfless lookalike (6)

 Carton (a great answer  given by Chris Cudmore)

Two cans from Belgium (6)

 Tintin

He escapes quickly down the street? (10)

 Roadrunner

In racecar, mentor is stabbed (6)

 Carmen

A:

Container for selfless lookalike (6)

Carton - It is a far, far better thing that I do, than I have ever done

