@Ryuk: May you please post their Natures, EV Spreads, Movesets and Levels? We could have an IV Battle to check those IV's if you'd Like.
Porygon-Z: (Modest) 100
EV's are unsure because I got in a trade (Shiny) but its trained in speed and special attack
Nasty Plot, Dark Pulse, Tri-Attack, Ice Beam
Drifblim: (Calm) 52
EV: EV: 80 HP / 252 SDef / 176 Spd
IV: 31/9/31/13/31/31
Baton Pass, Substitute, Double Team, Will-O-Wisp
Jolteon: (Timid) 22
EV: 64 HP/ 64 Def/ 252 SAtk/ 128 Spd
IV: 31/7/5/31/31/15
Thunder, Charge Beam, Detect, Wish
Kingdra: (Adamant) 63
EV: 156 HP/ 252 Atk/ 100 Spd
IV: 8 / 31 / 20 / 31 / 23 / 13
Dragon Dance,Rain Dance, Waterfall, Outrage
Kabutops: (Adamant) 100
EV: 32 HP/ 252 Atk/ 204 Spd/20 Def
IV: 1/31/31/5/13/31
Sword Dance, Stone Edge, Waterfall, Aqua Jet
Slowbro: (Relaxed) 48
EV: 212 HP / 128 Def / 44 SAtk/ 124 SDef
Calm Mind, Slack-off, Psychic, Trick Room
Marowak: (Adamant) 53
EV: 4 HP / 252 ATK / 252 SPD
Bonemerang, Thunder Punch, Fire Punch, Double-Edge
Dusknoir: (Impish) 37
EV: 252 HP/ 52 Def/ 204 SDef
Will-o-wisp, Trick Room, Pain Split, Shadow Punch
Bronzong: (Sassy) 35
EV: 252 HP/ 52 Atk/204 Def
Trick Room, Pyschic, Calm Mind, Gyro Ball
Shuckle: (Relaxed) 48
EV: 252 Def/ 252 SDef/4 HP
Substitute, Rest, Power Trick, Stone Edge
Tangrowth: (Brave) 100
EV: 124 HP/ 252 Atk/ 44 Def/ 88 SDef
Power Whip, Earthquake, Sleep Power, Sword Dance
Rampardos: (Brave) 100
EV: 252 HP / 252 Atk / 4 Def
Zen Headbutt, Earthquake, Take Down, Head Smash
There we go, that took a while to compile. IV battling would be good