Today we talk about Nathaniel Essex, am evil geneticist obsessed with Scott Summers best known as Mister Sinister, who is only really here to cause problems.

Today's mentioned & relevant media:

-Mutant Massacre (1987)
-Uncanny X-Men (1981) #221, 379-380, 544
-X-Men: Inferno (1988)
-X-Factor (1986) #74-75, 104-105, Flashback -1
-Classic X-Men (1986) #41-42
-X-Men (1991) #22-23, 51-52, 200-205
-Cable (1993) #6, 26-28, Annual (1999) #1
-Excalibur (1988) #72-74
-X-Man (1995) #12-19, 25
-Further Adventures of Cyclops & Phoenix (1996)
-Uncanny Origins (1996) #1
-X-Men Unlimited (1993) #30
-Gambit (1999) #9, 13-16, 23-24
-Wolverine (1988) #173-175
-Weapon X (2002)
-Excalibur (2004) #7
-X-Men: Colossus Bloodline (2005)
-X-Men: Messiah Complex (2007)
-X-Men Legacy (2008) #211-215
-X-Men/Spider-Man (2008)
-X-23 (2010) #4-6
-Uncanny X-Men (2011)
-Origin II (2013)
-Spider-Man & the X-Men (2014)
-Wolverines (2015)
-Extraordinary X-Men (2015) #2, 4-5
-Monsters Unleashed (2017) #1-6
-Secret Warriors (2017) #5, 8-9, 11
-House of X/Powers of X (2019)
-Hellions (2020)
-Immortal X-Men (2022) #1-9
-A.X.E.: Judgement Day (2022)
-Sins of Sinister (2023)

-Superman: Harvests of Youth

-DC's Ghouls Just Wanna Have Fun
-Shortbox Comics Faire (ends Oct. 31)

Thanks to Victoria Watkins for our icon!

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