Well.. I need to know how I shall EV train these Pokémon.
I hope somebody will help me

Shuckle @ Chesto Berry
Impish
~Toxic
~Double Team
~Rest
~Sandstorm

Ludicolo @ Leftovers
Bold
~Rain Dance
~Dive
~Toxic
~Leech Seed

Kingdra @ Leftovers
Modest
~Rain Dance
~Ice Beam
~Surf
~Dragonbreath

Slaking @ Leftovers/Choice Band
Adamant
~Hyper Beam
~Shadow Ball
~Earthquake
~Brick Break

Houndoom @ Leftovers
Timid
~Sunny Day
~Flamethrower
~Solarbeam
~Crunch

Miltank @ ???
Impish
~Heal Bell
~Milk Drink
~Earthquake/Shadow Ball
~Body Slam/Return