Ho-oh

Type Tier
Fire / Flying Uber
Statistics
Stat
HP
106
415
Atk
130
358
Def
90
278
SpA
110
318
SpD
154
406
Spe
90
278
Name Item

Standard Sweeper

Leftovers
Moveset
~ Recover
~ Thunderbolt
~ Sacred Fire
~ Earthquake / Shadow Ball

This is the general cleaning set. Fire and Electric covers most special weaknesses, and the 50% burn chance of Sacred Fire is awesome. The last move is up to you—Earthquake is more accepted. However, you might also want to try Shadow Ball—it's super effective against the Psychics (Mew, Mewtwo, Lugia, Celebi) and can give you a Special Defense down on the likes of Suicune.

Name Item

Curser

Leftovers
Moveset
~ Curse
~ Recover
~ Return
~ Whirlwind / Sacred Fire / Shadow Ball

One of the most basic sets in the book can catch people completely off guard. Return is generic, but it's neutral to most things in the Uber metagame save Skarmory. Whirlwind to avoid being pseudo-hazed (and at the same time to pseudo-haze other Uber Cursers), Sacred Fire to nail two of the main Uber pseudo-hazers (Skarmory, Celebi) and burn Tyranitar and Rhydon, or Shadow Ball for the Psychics.

Other Options

Ho-oh can use Sunny Day and SolarBeam in conjunction with Sacred Fire, but you'll be walled by Blissey.

Opinion

To be honest, Ho-oh's probably the worst GSC Uber, but that's not really saying a lot. Ho-oh's main problem is the fact that there are only four moveslots. Otherwise, it would probably be the best Uber. Ho-oh's got great stats, but so do all the Ubers, so it's best as a cleaner if you can get Blissey or Skarmory out the way.

Counters

If it doesn't have Hidden Power Fighting or Curse, Blissey can stall it out, but not without suffering a possible burn. Most of the other Ubers can handle it since it doesn't really have anything that can force a switch, and it's not great at sweeping. If it has Shadow Ball instead of Earthquake, Tyranitar and Rhydon can handle it with little to no trouble, but despise being burned.