Because you like Mary, Queen of Scots in Mary Queen of Scots

Ron Weasley
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What Ron Weasley lacks in motivation and book smarts, he makes up for in loyalty and street smarts. See them in Harry Potter Series.

Severus Snape
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Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

Sherlock Holmes
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A wildly brilliant detective, Sherlock Holmes can figure out everything except how to interact with other human beings. See them in Sherlock.