Lathan Carlysle
{{Character|
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| image=|
| name=Lathan Carlysle (1344-1378)
| aliases=The Lonely Hearts Killer
| gender=Male
| race=Illuskan Human
| parents=Wainwright Carlysle (deceased-1360), Delenca Carlysle (deceased-1375)
| dob=17 Tarsakh, 1344 DR, Year of Moonfall
| pob=Waterdeep, the Sword Coast
| occupation=Bookkeeper, Scrivner, Mad Dog Killer
| affiliations=Carmine Fortunato, the Jade Dancer, Cyric
| spouse=None
| children=None
| siblings=Unknown
| class=Serial Killer
| alignment=Chaotic Evil
}}