Super Smash Bros Character Demos - Link vs. Samus

Link
Strengths
+ Link has a very long reach, useful for battling opponents from a distance
+ Link has two very powerful projectile weapons
+ Link's attacks are capable of doing a lot of damage
Weaknesses
- Link's dash, grab, and attacks are all slow, making it very easy to predict his moves
Signature Moves
Boomerang - Press B
Spin Attack - Up + B
Bomb - Down + B

Samus
Strengths
+ Samus is very heavy, thus harder to KO
+ Samus has projectile weapons
+ Great speed and recovery
Weaknesses
- Samus is large, and therefore a much easier target
- Samus has nearly no combo ability
Signature Moves
Charge Shot - Press B
Screw Attack - Up + B
Bomb - Down + B

Super Smash Bros. Character Demonstration Video Series for Nintendo 64

Super Smash Bros Character Demos - Mario vs. Donkey Kong

Mario
Strengths
+ The fireball is good for keeping your opponent at bay
+ Mario's special moves are good at causing lots of damage to your opponent
+ Mario's small stature makes for a difficult target
Weaknesses
- Many of Mario's basic moves cause little or no damage to opponents
- Mario is not equipped with a weapon by default
Signature Moves
Fireball - Press B
Super Jump Punch - Up + B
Mario Tornado - Down + B

Donkey Kong
Strengths
+ DK is one of the strongest characters
+ DK can move once he grabs hold of an opponent
Weaknesses
- VERY big and slow, making him an easy target
- DK does not have any projectiles to use
Signature Moves
Giant Punch - Press B
Spinning Kong - Up + B
Hand Slap - Down + B

Super Smash Bros. Character Demonstration Video Series for Nintendo 64