Dating a man named Robert was the worst decision Karen never knew she made; the charming boyfriend was the spy Twilight, working an angle on her father Edgar the entire time. When the mission ended she was dumped, her proposal refused, and her own criminal record turned into leverage.
Karen appears from the opening chapter of the manga and the first episode of the anime, with Marie Ōi providing her Japanese voice and Tia Ballard her English one.
Her attachment to Robert ran deep enough that she proposed marriage. Beyond the romance, Karen carries baggage of her own, having participated in enough criminal activity to land in serious trouble should anyone choose to expose it.
As Edgar's daughter, Karen made a convenient route to her father for Twilight, who courted her under the name Robert purely to investigate the man. Once the intelligence was in hand, Twilight ended the relationship with the insulting excuse that her intellect was limited and rejected her offer of marriage. Her accumulated misdeeds served him one final time, supplying the blackmail material that forced Edgar to stop pursuing him.

Naruto vs Luffy with the twist nobody asked for: Luffy tickled Hinata on date night, and she kind of liked it. We break down the whole fight and commit to a winner....

There are no women on Namek. That isn't an oversight, it's the biology. Why we handed Piccolo the one thing his own species rules out, and why it had to be trap soul....
Karen is Edgar's daughter in Spy x Family, whom the spy Twilight dated under the false name Robert purely to investigate her father.
Twilight dated Karen as a convenient route to her father Edgar, courting her under the alias Robert solely to gather intelligence on him.
Once Twilight, posing as Robert, had the intelligence he needed, he ended the relationship with the insulting excuse that Karen's intellect was limited and rejected her marriage proposal.
Karen's accumulated criminal misdeeds served as blackmail material that Twilight used to force Edgar to stop pursuing him.
Karen is voiced by Marie Oi in Japanese and Tia Ballard in English, appearing from the opening chapter of the manga and the first episode of the anime.
Looking for more on Karen? The Dragon Ball Wiki on Fandom has a dedicated page with community notes.
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