Capes And Japes

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 (