Johnathon Castle
Vital Statistics
Full Name Johnathon James Castle
AKA John or Johnny
Gender Male
Status Alive
Parents Richard Castle (father)

Kate Beckett (mother)

Siblings Alexis Castle (daughter)
Character Information
Portrayed by Morgan Gingeriech

Johnathon "John" James Castle is the younger twin son of Richard Castle and Kate Beckett. He has an older twin brother Richard Castle Jr, by 3 minutes, and two older half-sisters, through his father, Alexis and Lizzie. John calls his brother Richie, because he can't pronounce Richard or he often calls him Ruch.

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