(Articuno) @ Never-Melt Ice  
- Blizzard  
- Steel Wing  
- Ice Beam  
- Reflect 

 (Jolteon) @ Mint Berry  
- Curse  
- Growth  
- Rest  
- Thunderbolt  

 (Marowak) (M) @ Thick Club  
IVs: 14 HP / 24 Atk / 26 Def  
- Swords Dance  
- Bonemerang  
- Rock Slide  
- Hidden Power [Flying]  

Articuno beats Marowak, Ursaring, Jynx and Grass types. Reflect can be used to halve damage from hard hitting physical attackers such as Ursaring.
Jolteon beats Blissey, Alakazam, Jynx, and Water types. Curse lets Jolteon set up Growth on other Curse users lacking Earthquake.
Marowak covers Articuno's weaknesses very well, beating Machamp, Heracross, and Tyranitar along with Fire and Electric types. Marowak can also beat Curse Ghosts with its high damage output.