
THAT'S why they're getting KO'd so easily.

Here's the revised version:
Bronet (Smeargle) @ Focus Sash
Ability: Own Tempo
EVs: 252 HP / 4 Def / 252 Spd
Timid Nature
- Spore
- Sticky Web
- Stealth Rock
- Spikes
Aegislash @ Focus Sash
Ability: Stance Change
EVs: 4 HP / 252 Def / 252 SDef
Impish Nature
- King's Shield
- Sacred Sword
- Shadow Sneak
- Swords Dance
Greninja (F) @ Life Orb
Ability: Protean
EVs: 4 HP / 252 SAtk / 252 Spd
Timid Nature
IVs: 30 Atk / 30 SAtk / 30 Spd
- Dark Pulse
- Hydro Pump
- Ice Beam
- U-turn
Kangaskhan (F) @ Kangaskhanite
Ability: Early Bird
EVs: 252 Spd / 252 Atk / 4 SDef
Jolly Nature
- Sucker Punch
- Earthquake
- Return
- Power-Up Punch
Azumarill @ Choice Band
Ability: Huge Power
EVs: 212 HP / 40 Spd / 252 Atk
Adamant Nature
- Play Rough
- Aqua Jet
- Superpower
- Return
Chesnaught (F) @ Leftovers
Ability: Bulletproof
EVs: 252 Atk / 252 HP / 4 SDef
Adamant Nature
- Spiky Shield
- Hammer Arm
- Earthquake
- Wood Hammer
And as for my second team (one that's more of a waller):
Trevenant (F) @ Sitrus Berry
Ability: Harvest
EVs: 252 HP / 4 Atk / 252 SDef
Careful Nature
- Leech Seed
- Substitute
- Rock Slide
- Shadow Claw
Talonflame (F) @ Leftovers
Ability: Gale Wings
EVs: 4 HP / 252 Atk / 252 Spd
Adamant Nature
- U-turn
- Brave Bird
- Roost
- Flare Blitz
Aggron (F) @ Aggronite
Ability: Sturdy
Shiny: Yes
EVs: 252 HP / 4 Def / 252 SDef
Impish Nature
- Heavy Slam
- Rest
- Sleep Talk
- Dragon Tail
Rotom-Wash @ Chesto Berry
Ability: Levitate
EVs: 4 HP / 4 Def / 248 SDef
- Volt Switch
- Hydro Pump
- Will-O-Wisp
- Rest
Bronet (Smeargle) (M) @ Focus Sash
Ability: Own Tempo
EVs: 252 HP / 4 Def / 252 Spd
Timid Nature
- Spore
- Sticky Web
- Stealth Rock
- Spikes
Aerodactyl @ Assault Vest
Ability: Rock Head
EVs: 252 Spd / 252 Atk / 4 HP
Jolly Nature
- Fire Fang
- Ice Fang
- Dragon Claw
- Earthquake