Articuno (Ice/Flying):
* Strengths: Excellent special attacker with powerful Ice-type moves. Good defensive typing, resisting Fighting, Grass, and Ground.
* Weaknesses: Vulnerable to Rock, Steel, Fire, Electric, and Fighting. Can be easily walled by certain Pokemon.
Zapdos (Electric/Flying):
* Strengths: Powerful special attacker with high speed. Excellent offensive typing, hitting a wide variety of Pokemon super effectively.
* Weaknesses: Vulnerable to Rock, Ice, and Ghost. Can be easily walled by certain Pokemon.
Moltres (Fire/Flying):
* Strengths: Strong special attacker with good coverage moves. Excellent offensive typing, hitting a wide variety of Pokemon super effectively.
* Weaknesses: Vulnerable to Rock, Water, Electric, and Ghost. Can be easily walled by certain Pokemon.
Which is better? Depends on your needs:
* Want a strong Ice-type attacker? Choose Articuno.
* Need a fast and powerful Electric-type? Go with Zapdos.
* Desire a strong Fire-type with good coverage? Moltres is your pick.
Ultimately, the best choice depends on your team composition, the specific battles you're facing, and your own playstyle.