Gerappo Dance Train

Humans

 * Nate
 * Bear
 * Eddie
 * Katie

Yo-kai

 * Whisper
 * Jibanyan
 * Komasan
 * Komajiro
 * Kyubi
 * Venoct
 * Hungramps
 * Tattletell
 * Rokurokubi
 * Karakasa-obake
 * Hitotsumekozo
 * Kappa
 * Bakezori
 * Ningyo
 * Robonyan
 * Monomannequin
 * Ittangomen
 * Sunao
 * Rimokonkakushi
 * Hanako-san
 * Dismarelda
 * Happierre
 * Walkappa
 * Blazion
 * Roughraff
 * Baddinyan
 * Nosirs
 * Fidgephant
 * Shmoopie
 * Mirapo
 * Sebastian
 * Okanenider
 * Sakasakkasa
 * Wiglin
 * Rhyth
 * Steppa
 * Robonyan Model F
 * Shogunyan
 * Beetall
 * B3-NK1
 * Snartle
 * Manojishi
 * Everfore
 * Gashadokuro
 * Rhinoggin
 * Netaballerina
 * Unchikuma
 * Pandanoko
 * Swelterrier
 * Blizzaria
 * Sergeant Burly
 * Gamammoth
 * Peckpocket
 * Dromp
 * Tengloom
 * Copperled
 * Mad Mountain
 * Cadin
 * Hareotoko
 * Ame-onna
 * Infour
 * Peppillon
 * Negasus
 * Lafalotta
 * Wazzat
 * Negatibuzz
 * Illoo
 * Buhu
 * Heheheel
 * Shrook
 * Wantston
 * Spenp
 * Captain Daikokai
 * Baku
 * Insomni
 * Odenjin
 * Dorobockun
 * TETSUYA
 * Gabunyan
 * U.S.O.
 * Noway
 * Signibble
 * Manjimutt
 * Dimmy
 * Cheeksqueek
 * Chatalie
 * Sproink
 * Drizzle
 * Gargaros
 * Dandoodle
 * D'wanna
 * Matenshi
 * Onigirizamurai
 * Asekkaki
 * Duchoo
 * Mister Movien
 * Pandle
 * Jigajii-san

Game Opening
Humans
 * Nate
 * Katie
 * Eddie
 * Bear
 * Keizo
 * Fumiaki
 * Amy

Yo-kai

 * Sergeant Burly
 * Whisper
 * Jibanyan
 * Komasan
 * Noko
 * Robonyan
 * Shogunyan
 * Sebastian
 * Okanenider
 * Sakasakkasa
 * Wiglin
 * Rhyth
 * Steppa
 * Gashadokuro
 * Todomeki
 * Onigui
 * Corptain
 * Snartle
 * Manojishi
 * Cruncha
 * Rhinoggin
 * Azure Dragon
 * Netaballerina
 * Unchikuma
 * Pandanoko
 * Damona
 * Shadow Venoct
 * Wobblewok
 * Fuyunyan
 * Darknyan
 * Master Nyada
 * Dekanyan
 * Buchinyan
 * Yurameku Kaima
 * Takuramu Kaima
 * Samayo Kaima
 * Kudan Kai
 * Dorotabo Kai
 * Yakkai
 * Gokai
 * Hakai
 * Fukai
 * Nankai
 * Kin and Gin
 * Do
 * Tokio Ubaune
 * Jibakoma
 * Rudy
 * Gargaros
 * Noway
 * Tattletell
 * Blazion
 * Sproink
 * Red J
 * Hi no Shin

Trivia

 * This is the last Japanese opening of anime season 1.
 * This is the first opening to use clips from previous anime episodes.