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Sammy is Serena's extremely cynical brother. He dislikes much of what his crazy sister & mother do, & he attempts to ignore them whenever possible. He occasionally teases Serena like an average little brother. He seems not to care much about of life in general. In fact, he even discovers Luna's true identity & reacts to it just like he does to everything: ignores it & goes back to playing his video games. He also helped out, apparently not entirely intentionally, with the video his mother made to send to an American talent agency.
- Shingo Tsukino - Sammy's anime counterpart in the metaseries Pretty Soldier Sailor Moon.