Utterly Mad

Oh boy this was hard.
Crime Fiction Canada
Mystery Writers of America
Crime Writers' Association
Crime Fiction
Fictional Detectives
List of Fictional Private Investigators https://en.wikipedia.org/wiki/List_of_fictional_private_investigators (I skimmed through the first time and couldn't find Thomas Magnum so I went to...)
List of Male detective characters https://en.wikipedia.org/wiki/List_of_male_detective_characters (Being list in Alphebetical ordor was easier to find, I later found Thomas Magnum on the other list, but it was too late anyways.)
Thomas Magnum https://en.wikipedia.org/wiki/Thomas_Magnum
Tom Selleck https://en.wikipedia.org/wiki/Tom_Selleck
Boo ya.

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My Challenge: Find Roguelike

(Bonus: Try to find Sandy Valley, NV I think it might be impossible as I doubt there is any link anywhere to it, but DO IT IF YOU DAAARRRREEEE.)