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Low
$60
Mid
$180
High
$600

Key Facts

1st appearance of X, a monster brought into being by a comic creator's enchanted typewriter

Marvel ⋅ 1961

Low
$610
Mid
$1.8k
High
$6.3k

Key Facts

1st appearance of Fin Fang Foom, translated his name means 'he whose limbs shatter mountains and whose back scrapes the sun'

1st appearance of Dr. Chan Liuchow, a member of the Legion of Night

Low
$120
Mid
$400
High
$1.2k

Key Facts

Prototype of Iron Man, a character named Metallo who is an escaped convict in a radiation prevention suit

Low
$60
Mid
$180
High
$675

Key Facts

1st appearance of Monstro, a giant Octopus

Low
$55
Mid
$150
High
$550

Key Facts

1st appearance of Gorgilla, a half-man/half-gorilla monster

Marvel ⋅ 1961

Low
$40
Mid
$125
High
$475

Key Facts

1st appearance of Orrgo, an alien with incredible telepathic abilities

Low
$65
Mid
$185
High
$650

Key Facts

1st appearance of the Blip, an alien composed completely of electricity

Marvel ⋅ 1960

Low
$60
Mid
$190
High
$750

Key Facts

1st appearance of Taboo, a swamp creature

1st appearance of Grutan

Marvel ⋅ 1960

Low
$60
Mid
$190
High
$750

Key Facts

1st appearance of Gorgolla, a living gargoyle

Marvel ⋅ 1960

Low
$60
Mid
$190
High
$750

Key Facts

1st appearance of Dragoom, a monster comprised of fire

Low
$45
Mid
$130
High
$410

Key Facts

1st appearance of Insect Man

Low
$35
Mid
$115
High
$390

Key Facts

1st appearance of Bruttu, a scientist who changed his molecular structure and became a monster

Low
$35
Mid
$65
High
$390

Key Facts

1st appearance of Oog, an alien found frozen in ice

Low
$50
Mid
$150
High
$885

Key Facts

1st appearance of Diablo, a monster from another dimension comprised of smoke

1st appearance of Chondu the Mystic

Low
$45
Mid
$125
High
$750

Key Facts

1st appearance of Googam, son of Goom from Planet X

Low
$60
Mid
$180
High
$600

Key Facts

1st appearance of Colossus aka It, The Living Colossus

Low
$75
Mid
$180
High
$730

Key Facts

1st appearance of the Crawling Creature

Low
$50
Mid
$150
High
$500

Key Facts

1st appearance of Rommbu, a representative of a technologically-advanced alien race of monsters

Low
$50
Mid
$150
High
$565

Key Facts

1st appearance of Moomba, a monster made of wood

Low
$1k
Mid
$3k
High
$10k

Key Facts

1st appearance of Groot, an alien resembling a tree

Low
$40
Mid
$125
High
$460

Key Facts

1st appearance of the Creature In The Black Bog

Low
$75
Mid
$165
High
$750

Key Facts

1st appearance of Molten Man-Thing, a monster that emerged from a volcano

Low
$60
Mid
$170
High
$660

Key Facts

1st appearance of Anuxa, an alien frozen in the Antarctic, waiting for humanity to destroy itself so his race can claim Earth

Low
$65
Mid
$190
High
$700

Key Facts

1st appearance of Monstrom, a monster who who rose from the swamp after lying dormant for a millennium

Marvel ⋅ 1960

Low
$60
Mid
$190
High
$750

Key Facts

1st appearance of Frank, later identified as Ulysses Bloodstone

1st appearance of Grottu, the result of Soviet nuclear tests

Low
$100
Mid
$300
High
$1k

Key Facts

1st appearance of the Living Hulk, a prototype of the Incredible Hulk who was later reintroduced as Xemnu the Titan, an enemy of the Hulk

Low
$50
Mid
$150
High
$500

Key Facts

1st appearance of Pildorr the Plunderer

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