ORAS NU My first nu team

[Schwarzkopf]

Hi there, Im new so please dont go too hard on me :)
All Mons are lvl 50:

Tangela @ Evilolite
Ability: Regenerator
Evs: 248 Hp/ 252 Def/ 8 Sp. Atk
Nature: Relaxed
- Knock off
- Sleep powder
- Leech seed
- Giga Drain

Lanturn @ Leftovers
Ability: Voltabsorb
Evs: 40 Hp/ 252 Def/ 216 Sp. Def
Nature: Calm
-Scald
-Heal bell
- Thunder wave
- Confuse ray

Barbaracle @ Focus sash
Ability: Though claws
Evs: 252 Atk/ 4 Sp. Atk/ 252 Speed
Nature: Naughty
- Razor Shell
- EQ
- Ice beam
- Shell smash

Kecleon @ Assault west
Ability: Protean
252 Hp / 4 Atk / 252 Sp. Defense
Nature: Careful
- Power Up Punch
- Drain Punch
- Sucker Punch
- Shadow sneak

Rotom Fan @ Choice scarf
Ability: Levitate
Evs: 4 Def/ 252 Sp. Atk / 252 Speed
Nature: Modest
- Air slash
- Thunderbold
- Volt switch
- Trick

Hitmonchan @ Expert belt
- Drain Punch
- Mach punch
- Fire Punch
- Rapid Spin/ Ice Punch

Please say if there is anything that could be better (Im sure there are many things...)