These are all the outfit sets I could find that add unique idle animations. Let me know if I missed one.
SPOILERS AHEAD (for outfits)
OG Beebz
For reference, this is the default idle animation.
Chum Cosplay
Chum Cosplay + Chum Cosplay
Alt: Angry Chum + Angry Chum
Neon Drip
Neon Drip + Neon Drip
Alt: Neon Dripless + Sleeveless Drip
Privateer
Privateer + Privateer
Alt: Bloody Privateer + Bloody Privateer
Witch
Witch’s Hat + Witch’s Garb
or
Giant Witch’s Hat + Witch’s Garb
Alt: Witch’s Hair + Jester’s Garb
Beach
Beach Cap + Beach Top
Alt: Beach Cap Alpha + Light Beach Wear
Delinquent
Delinquent’s Do + Delinquent’s Suit
Alt: Maskless Cut + Jacketless Suit
Serker Gear
Serker Body-Gear + Serker Head-Gear
Alt: Noir Body-Gear + Noir Head-Gear
(I think these names might have accidentally been swapped in-game?)
Undemon
Undemon + Undemon
Alt: Fallen Angel + Fallen Angel
Scientista
Scientista + Scientista
Alt: Ponytail + Suit and Tie
Kowai
Kowai Kawaii + Kowai Kawaii
Alt: Kowai Kei + Kowai Kei
Frosty
Frosty Explorer + Frosty Explorer
Alt: Bear Ears + Frosty Sweater
Rainy
Rainy Getup + Rainy Getup
Alt: Runa’s Jacket + Red Getup
Barbarian
Escaped Barbarian + Escaped Barbarian
Alt: Bald Barbarian+ Weightless Barbarian
(this one actually has a different idle animation from its alt)
Gamer
Gamer Headband + Gamer Shirt
Alts:
Aggro Crab Headband + Aggro Crab Shirt
Demon Turf Headband + Demon Turf Shirt
Billie Bust Up Headband + Billie Bust Up Shirt
Crosscode Headband + Crosscode Shirt
Geargrit Headband + Geargrit Shirt
Grapple Dog Headband + Grapple Dog Shirt
Skellboy Headband + Skellboy Shirt
Sime-san Headband + Sime-san Shirt
Tako Headband + Tako Shirt
Unbeatable Headband + Unbeatable Shirt for some reason uses the default idle animation, as of now.
Baby Kappernian
Baby Kappernian Suit + Baby Kappernian Suit
Alts:
Baby Kapperian Suit (the blue one (no unique name for some reason)) + Shiverbeaks Kappernian
Thuintir Kappernian + Thuintir Kappernian
Wrestler
Raven Tips + Raven Wrestler
Alt: Neon Tips + Neon Wrestler
Goddess
Vindra’s Gale + Vindra’s Gale
Alt: Fiery Haircut + Flame Goddess
Guard
Royal Guard + Royal Guard
Alt: Helmetless Cut + Capeless Armor
DK
DK’s Magic Face + DK’s Magic Body