Zigzagoon @ Berry Juice
Ability: Pickup
Level: 5
EVs: 132 HP / 196 Atk / 28 Def / 108 SDef / 36 Spe
Adamant Nature
-Belly Drum
-Extremespeed
-Thief
-Protect/Rock Smash/Seed Bomb

Role: Late-game cleaner

What it does: Zigzagoon is a terrifying late-game sweeper due to its unique combination of Belly Drum and STAB Extremespeed. After just 1 turn of setup, Zigzagoon reaches a sky-high 52 Attack with no drawbacks, thanks to Berry Juice negating the HP loss from Belly Drum. After it sets up, Zigzagoon can proceed to fire off stupidly powerful Extreme Speeds. Because Extremespeed is a +2 priority move, Zigzagoon cannot be revenge killed by any of LC's powerful priority users such as Timburr or Fletchling. Thief is Zigzagoon's best option for hitting Ghost-types, and can OHKO everyone in the tier at +6. The last moveslot is a tossup which depends on what your team can handle. Protect allows Zigzagoon to beat Fake Out users, who could otherwise stop its sweep with some luck and prediction. Rock Smash hits Rock- and Steel-types, most notably Pawniard, but its low BP may make it unappealing. Lastly, Seed Bomb makes quick work of bulky Rock-types such as Tirtouga and Onix who would otherwise wall Zigzagoon completely. Pickup is a mostly situational ability, but it can come in handy when facing Pokemon with Sturdy to grab some extra health.

Good Teammates: Zigzagoon needs Stealth Rock support to break Sturdy and Focus Sashes, as otherwise its sweep can easily be put to a halt. It also greatly appreciates Memento support, as if it takes a powerful hit, it will be left at 50% health after a Belly Drum. Finally, Zigzagoon appreciates having common Rock- and Steel- types eliminate or at least weakened so it has an easier time with them. Diglett is capable of providing all 3 of these, making it a fantastic partner to Zigzagoon. It also really appreciates having the opponent's Ghost-types gone before it sets up, so a powerful Knock Off user such as Pawniard also makes a good teammate.

What Counters It: Ghost-types,  are a massive thorn in Zigzagoon's side,as most are able to outspeed it and either cripple it with Will-O-Wisp or smack it with a powerful attack. Rock- and Steel-types are also able to check it—most are able to take an Extreme Speed and attack it. Extremely bulky Pokemon that are neutral to Extremespeed, such as Spritzee, can tank an Extremespeed in a pinch as well. Finally, Zigzagoon cannot set up on anything with Knock Off, as if it gets its Berry Juice knocked off, it will be left at very low HP.

Any Additional Info: Zigzagoon has a few other coverage options at its disposal. Iron Tail guarantees an OHKO on Spritzee while also hitting Rock-types, but its 75% accuracy is less than ideal, while Dig hits both Rock- and Steel-types, but the charge turn can be easily taken advantage of. Also, Zigzagoon can run a Salac Berry with Gluttony to grab a Speed boost when it sets up, but this makes it much harder for Zigzagoon to set up as a strong attack on its setup turn can cause Belly Drum to fail, making it complete dead weight.