What Are Good Items for these Pokemon To Hold?

Question

Charizard: Thunderpunch, Earthquake, Flamethrower, Air Slash

Swampert: Waterfall, Earthquake, Avalanche, Hammer Arm

Torterra: Earthquake, Rock Polish, Seed Bomb, Stone Edge

Manectric: Signal Beam, Charge Beam, Thunderbolt, Flamethrower

Garchomp: Swords Dance, Dragon Claw, Earthquake, Stone Edge

Aggron: Earthquake, Iron Tail, Ice Punch, Stone Edge

Answer 1

Charizard should have the life orb to boost his power greatly

Swampert needs leftovers or the berry that weakens grass

torterra needs a yache berry or leftovers

Manectric should hold an insect plate

Garchomp becuase of stone edge wide lens becuase when pitted against an ice type you are doubtful to get a second hit.

Aggron needs a berry that weakens ground or fighting or leftovers

Answer 2

Crimson King: Expert Belt

Swampert: Leftovers

Torterra: Leftovers/Life Orb

Manectric: Choice Specs

Garchomp: Choice Band, Choice Scarf, or Life Orb

Aggron: Choice Band/Life Orb/Leftovers