Crush 40

Crush 40 is the Eidolon of Lisa Fratelli in Eidolon ROCK.

Abilities
Crush 40 has perfect knowledge and experience with forty different martial arts, and can use the holes in its hands to produce the tools required for them (e.g. a naginata).

Not all of Crush 40's martial arts have been shown on the show. However, after the first appearance of Crush 40 aired publicly, Maxie Knightley (the player of Lisa Fratelli) shared the full list on Twitter.

They are:
 * 1) Boxing
 * 2) American kickboxing
 * 3) Savate des Rues (French kickboxing, street style)
 * 4) Muay Thai
 * 5) Wing Chun
 * 6) Shotokan karate
 * 7) Assassination Fist, Mourning Style
 * 8) Assassination Fist, Hateful Style
 * 9) Judo
 * 10) Fencing
 * 11) Kendo
 * 12) Western polearms
 * 13) Naginata
 * 14) Meteor hammer
 * 15) Ninjutsu
 * 16) Greco-Roman wrestling
 * 17) Professional wrestling
 * 18) Hapkido
 * 19) Barroom brawling
 * 20) Capoeira
 * 21) Longbow archery
 * 22) Mounted archery
 * 23) Crossbow
 * 24) Sniping
 * 25) Traditional Quick-Draw Dueling
 * 26) Rodeo Mano a Mano
 * 27) Restaurant Warfare, Prep Style
 * 28) Restaurant Warfare, Line Style
 * 29) CQC (Revised)
 * 30) Violent Gardening
 * 31) European Staff Combat
 * 32) Combat Gymnastics
 * 33) That Thing Where You Throw Your Hat But The Hat Is Really Sharp, Like Oddjob Or Kung Lao
 * 34) Garrote
 * 35) Drunken Boxing, But You Aren't Actually Drunk
 * 36) Drunken Boxing, But You're Actually Drunk For Real
 * 37) Combat Baseball
 * 38) Death Soccer
 * 39) Spear-Vaulting
 * 40) Biting Really Hard

Episodes

 * ROCK #34: The Hermit, Inverted

Trivia

 * Assassination Fist, Mourning Style and Assassination Fist, Hateful Style are the fighting styles of Gen from the Street Fighter series.