I'm a shiny hunter who needs a shiny hunting partner What perfect Pokemon would be good for that? A false swiper and a sleeper. That is the problem however. I would be fine if, instead of sleep, it's paralysis. Also, I'm a Scarlet player so no Violet exclusives please. Thank you!
I used the following in my Scarlet & Violet Play throughs respectively:
Gallade Ability: Sharpness Held Item: Metronome • False Swipe • Swords Dance • Hypnosis • Fury Cutter Flex
Breloom: Ability: Technician / (Poison Heal) Held Item: Metronome / (Toxic orb) • False Swipe • Swords Dance or Bulk Up • Spore • Drain Punch
**The Alternate build using (Poison Heal + Toxic Orb) - sacrifices damage boost from Technician + gains 1/8 health regeneration / turn + Immune to Burn/Para/Sleep/Freeze (already afflicted with PSN)
Gallade does the job you request.
To have it learn Hypnosis, go to the remember moves button on the summary. It learns False Swipe at Level 23 as a Gallade, which you can also get from the remember moves button. Thunder Wave is learned by TM if you want paralysis.
Breloom gets False Swipe with Technician to make whittling down other mons easier and Spore / Stun Spore for status. Like the other person said, Gallade is also good with Twave and Hypnosis. Persian can have a niche with Swipe, Hypnosis, and Twave and Technician with Normal STAB to help chip but Breloom or Gallade are your best bets.