Which Rotom form is best for 'annoyer' role?

Question

I don't even know if the correct term is annoyer but which form is best suited for it.

Answer 1

Two of them actually fit really well:

• Rotom: It's Ghost typing and Levitate make it a perfect Spinblocker, was has three wooping immunities to come in on. It can run SubSplit to gain health while chipping at your opponent's.
• Rotom-W is the only one out of the new forms that has a reliable STAB attack from its new typing that doesn't have a Stealth Rock weakness. It's typing allow it to tank many different hits, and it can run many different coverages with STAB and Hidden power. It also can Will-O-Wisp different threats, and Volt Switch out from efficient countering.

Answer 2

To be honest, all Rotom forms work really well with trick sets.

Rotom-Wash is an OU favourite. It has 1 weakness, 5 resistances and 1 immunity, along with good bulk.

Sexy Washing Machine @ Choice Scarf
Ability: Levitate
EVs: 252 Speed, 252 Sp. Atk, 4 HP
Nature: Timid
- Volt Switch/ Thunderbolt
- Hydro Pump
- Will-O-Wisp
- Trick

Choice Scarf is probably the best trick item. While it increases your opponent's speed by 50%, as long as you have a physical/ special wall then you'd be able to take hits. Specs or Band are too much of a gamble, since you could switch with a Pokemon that has a physical/ special moveset. Scarf Trick is especially good for you to ruin a Blissey set, since most people would think you're scouting with Volt Switch.

Will-O-Wisp to render physical attackers useless. Hydro Pump and Volt Switch/ Thunderbolt for STAB.

Rotom-Wash will also work well on your team if you have a Scizor.

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Other options would be Rotom(normal), Rotom-Mow, and Rotom-Heat. It'd depend on your team, and what type resistances you needed.

It'd aslo depend on the tier. In NU, Rotom-Fan wouldn't make a half bad trick set with only 2 weaknesses. Rotom-Frost is probably the worst form, especially with a STAB move that only has 70% accuracy w/o its weather type.