HeartGold Team

Can you guys please rate my future HG team?

Gyarados (Adamant)
- Dragon Dance
- Ice Fang
- Waterfall
- Earthquake

Donphan (Careful or Impish)
- Stealth Rock
- Roar
- Earthquake
- Rapid Spin

Gengar (Modest)
- Shadow Ball/SludgeBomb
- Thunderbolt
- Willl-Wisp
- Energy Ball

Alakazam (Modest)
- Calm Mind
- Reflect
- Pyschic
- Focus Blast

Dragonite (Adamant)
- Dragon Dance
- Outrage
- Fire Punch
- Brick Break

Typhlosion (Timid)
-Sunny Day
-Eruption/Fireblast
-Solarbeam
-???

Can you specify the hold items?

I don't have set hold items yet, any suggestions?
Also because of bad defenses, Togekiss would be a smart replacement for gengar, correct?
With Timid nature and
Nasty Plot
Aura Sphere
Flamethrower
Airslash/Roost

EV's, in sp attack/speed

*edit* Also, Ninetales would be better than typhlosion right? Slightly lower stats but it skips the whole sunny day attack which is great and has nasty plot to make up the stats.
NastyPlot
Solarbeam
FlareBlitz
Will-o-wisp/confuse ray

*edit 2*
Improved moveset for dragonite
Dragon Dance, Stone Edge, SuperPower, Outrage

Considering switching alakazam for porygon Z
NastyPlot, Hyper Beam, Thunderbolt, Ice Beam