1439 Alluring No on May 6, 2010 Chapter: Sorta Bad ThingsCharacters: Bob the Beholder, Dusk the SuccubusLocation: The Black Mountain Related Comics ¬ 0786 Turning Tides 0697 Respect Her Authority 0012: Butting Heads 2077 An Orc And His Worries 1273 A Peoples Orc
Succubus: "So… where exactly are your sex organs?"
Bob: "…My *what* now?"
Succubus: "Oh dear…"
https://www.yafgc.net/comic/0004-just-ew/ suggests that beholders are capable of sexual reproduction somehow