Thing (Benjamin Grimm) - bombarded by cosmic rays and transformed into a super-strong, rocky monster; founding member of the Fantastic Four

Thing (android) - made by Mad Thinker to replace Thing

Thing (clone) - clone of Thing made by Aron

Thing (demon) - duplicate of Thing created by Death

Thing (doppelganger) - created by Magus

Thing (Ricardo Jones) - a jealous inventor who tricked the Thing and replaced him for a brief time, posing as him to defeat the Fantastic Four

Thing (robot) - replaced Thing when he lost his powers

Thing (Ultimate) - Benjamin Grimm, changed into the Thing in a failed experiment with the N-Zone; founding member of the Fantastic Four (Ultimate)

Captain Benjamin Grimm (1602) -The captain of the Fantastick

Thing (Earth-A) - Reed Richards, owner of Reed Richards Robotics

Thing (Earth-9511) - Benjamin Grimm, member of Fantastic Four, vanished in "Great Cataclysm" event

Thing (Earth-312) - Benjamin Grimm, mutated in to savage Thing, Reed Richards and Exiles managed to help him gain his control back

Thing (MC2) - Benjamin Grimm, member of Fantastic Five

Thing (Earth-98) - Benjamin Grimm, veteran of World War II, founding member of Fantastic Four

Thing (2099) - Benjamin Grimm, member of Fantastic Four

Thing (Earth-906) - Benjamin Grimm, member of Fantastic Four, was infected by plague by Captain Marvel and died

Thing (Earth-938) - Benjamin Grimm, travelled to past, became a pirate

Thing (Earth-6232) - fought in the Reckoning War

Thing (Earth-91111) - killed by Sue Richards' and Reed Richards' daughter Suzy

Thing (Earth-99476) - member of Fantastic Five, hairy form

Thing (Earth-772) - Benjamin Grimm, member of Fantastic Five

Thing (Millenial) - lives in Vultuverse

Thing (Earth-9013) - body kept mutating till he was immovable rock

Thing (Earth-Avengers All Had Beards) - had a beard

It (House of M) - Benjamin Grimm , member of the Fearsome Four

Thing (Marvel Zombies) - became a zombie