Hell Vanguard(use Trickster)-Rebellion + Beowulf + Ebony/Ivory + Shotgun
Cerberus(use swordmaster)-Rebellion + Agni Rudra + Ebony/Ivory + Shotgun
Gigapede(use swordmaster)-Rebellion + Beowulf
Agni & Rudra(use swordmaster)-Rebellion + Cerberus
Vergil #1(use trickster)-Rebellion + Cerberus
Heart of Leviathan(use swordmaster)-Agni & Rudra + Rebellion + Kalina Ann + Ebony/Ivory
Nevan(use gunslinger)-Rebellion(need airhike) + Beowulf(need airhike) + Ebony/Ivory + Shotgun(need gunstinger)
Beowulf(use trickster)-Rebellion + Cerberus + Ebony/Ivory + Shotgun
Greyon(use trickster or gunslinger)-Rebellion + Beowulf + Ebony/Ivory + Spiral
Virgil#2(use swordmaster)-Beowulf + Rebellion + Ebony/Ivory + Shotgun
Lady(use gunslinger)-Beowulf + Nevan + Ebony/Ivory + Spiral or Shotgun (if you unlock gunstinger)
Doppleganger(use Swordmaster)-Beowulf (have everthing!) + Rebellion + Ebony/Ivory + artemis
Arkham(use doppleganger)-Rebellion + Ebony/Ivory + Kalina Ann
Vergil#3(use trickster or swordmaster)-Rebellion + Cerberus + Ebony/Ivory + Shotgun or Spiral