All of these characters have been created by me and FanOfTV.
Name: Natasha Rostova
Aliases: Natasha Reed
Nickname: Nat
Eye Color: Blue/Hazel
Hair Color: Blonde
Born: October 2nd, 1945
Age: (as of 1984 October 30th to December 15th) 39
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Name: Nadia Rostova
Aliases: Nadia Reed
Other Name: 10
Eye Color: Brown
Hair Color: Blonde
Born: April 12th, 1966
Age: (as of 1984 October 30th to December 15th) 18
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Name: Nikolai Rostov
Aliases: Niko Reed
Nickname: Nik
Other Name: 12
Eye Color: Brown
Hair Color: Brown
Born: May 18th, 1971
Age: (as of 1984 October 30th to December 15th) 13
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Name: Hailey Harrington
Nickname: Hail
Eye Color: Brown
Hair Color: Brunette
Born: October 6th, 1971
Age: (as of 1984 October 30th to December 15th) 13
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Name: Ruby Charlize
Nickname: Jinx
Eye Color: Light Brown
Hair Color: Red
Born: June 11th, 1967
Age: (as of 1984 October 30th to December 15th) 17
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Cast:
Scarlett Johansson - Natasha Rostova / Reed
Olivia Holt - Nadia Rostova / Reed / 010 of the Russian program
Dylan Kingwell - Nikolai "Niko" Rostov / Reed / 012 of the Russian program
Alissa Skovbye - Hailey Harrington
Madelaine Petsch - Ruby Charlize "Jinx"
Ben Barnes - Aaron Johnston
Dominic Sherwood - Ryan Raynor (2.01, 2.02 and 2.03)
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General idea of what each power looks like:
Natasha's shield power:
Nadia's power is psychic energy manipulation, given a lot of variety of what she could do, but she mostly uses it in a whip or sword form because it's easier on herself (physical toll of using too much of her power), and because it can be extremely helpful in fights against Demogorgons.
Nadia's psychic energy whip and sword:
Niko's pyro power:
Ruby's Psychic Beam Power: (She doesn't know about it yet)
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Natasha's Car:
Nadia's Car:
Niko's Bike:
Hailey's Bike:
Ruby's Motorcycle:
Ruby's Helmet:
Rostov/Reed House: