Wrong. All wrong.
Link
Idle Stance:
(hard for me to explain)
Idle Pose: HAS NONE
Young Link
Idle Stance: Actually has the same as Link's, but does it faster.
Idle Pose: Has TWO (Melee generally has one per character); 1. kicks his boots into the ground; 2. Looks around him.
Fox
Idle Stance: Slowly shifts back and forth with fists to the side.
Idle Pose: Looks behind him from the corner of his eye.
Falco
Idle Stance: Hops up and down with open hands, then turns to his side and widens his stance before going to the first stance.
Idle Pose: In his widened stance, motions towards the opponents to come at him with his left hand.
Captain Falcon
Idle Stance: Stands shaking his left fist and keeps his right fist to his side.
Idle Pose: Has TWO; 1. Quickly makes an upwards thrust with his left fist; 2. Leans forward and sticks both elbows out with hands in a claw position.
Ganondorf
Idle Stance: Stands outstretching his hands and shaking them as he grips them.
Idle Pose: Reaches forward with his right hand, then pulls it back while stretching out his left.