Bonney: Time Manipulation, Everything about the void century is about time
Perona: Ghost, IM is the ghost of the void century
Big Mom: Souls, Im will have the ability to control people
Rebecca: Princess, IM is obsessed with princess vivi
Sugar: takes away Memories, turns people to slaves, Yes I know sugar has blue hair but she's an obvious parallel of IM
Reiju: Poison, I believe IM will play the role of Jorm from norse mythology who killed Thor with poison/venom
Shirahoshi: Ancient weapon, IM has control of an ancient weapon
and honorable mention Loki: More norse connection to IM both wear crowns but connected to giants.
Perona: Ghost, IM is the ghost of the void century
Big Mom: Souls, Im will have the ability to control people
Rebecca: Princess, IM is obsessed with princess vivi
Sugar: takes away Memories, turns people to slaves, Yes I know sugar has blue hair but she's an obvious parallel of IM
Reiju: Poison, I believe IM will play the role of Jorm from norse mythology who killed Thor with poison/venom
Shirahoshi: Ancient weapon, IM has control of an ancient weapon
and honorable mention Loki: More norse connection to IM both wear crowns but connected to giants.