Because you like Sky Captain in Sky Captain and the World of Tomorrow
L
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L is enigmatic, child-like, and one of the smartest people in the world. See them in Death Note.
Loki
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His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Marvel Cinematic Universe.
Dean Winchester
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It's hard to tell if Dean Winchester cares more about saving the world or his 1967 Chevy Impala. See them in Supernatural.