Appendages (arms) – The character has extra arms. Appendages (arms) is also known as Additional Arms, Extra Arms and Multiple Arms. Having multiple arms is just on the border of being more freakish than a superpower.
Barbarus (Marvel) has four arms.
Elaborate Lad (Image) is an homage to the Silver Age Jimmy Olsen transformations. In Supreme V2 #45, Elaborate Lad is proof that appendages often cross the line from superpower to just being freakish.
A race of four armed aliens appears in Marvel Tales 134 #2.
Spider-Man has multiple arms temporarily (Amazing Spider-Man, v1, 100-102, The Six Arms Saga) and has trouble handling both the appearance and coordination aspects of his new “superpower”.
Spiral (Marvel) has six arms!
Mystique #5 (Marvel), Mystique (Marvel) takes on a multi armed form.
A one-shot multi-armed mutant in Mystique #17 (Marvel).
Mystique creates an extra arm in a fight with Fantomex in Mystique #20 (Marvel).
Kray-Tor (Marvel) has four arms and first appears in Strange Tales V1 #180.
In Mystic V2 #35 (Atlas), the cure for itching is more arms!
Armstrong is a character with six arms in the Savage Dragon Universe.
Why should humans have all the extra arm fun? The Octi-Ape (DC) appears in Blackhawk V1 #152.
Sheev uses his extra arms to play a deadly form of dodgeball in Strange Sports Stories #1 (Vertigo).
Space Ghost fights a four armed alien named Cutter in Space Ghost GN (DC).
Rip Roar (DC) is a demi god with four arms in Spyboy & Young Justice #1.
Ner-Nee-Nah has a lot of arms and appears in S is for Spanko: A Frightening and Realistic Giant Monster Alphabet Book (Slave Labor Graphics).
The Simbi (Marvel) are a four armed race that first appears in Black Panther V6 #13.
Meico is a four armed alien in Alien Legion: On the Edge (Titan).
Dungeons and Dragons has many multi-armed character types including Blood Fiend (D&D 4th Edition – Monster Manual 1), Chitine (D&D 4th Edition – Monster Manual 3), Girallon (D&D 4th Edition – Monster Manual 3), and Weaver (D&D 4th Edition – Monster Manual 3).
The Shi’ar Imperial Guard has the four armed Monstra (Marvel).
Arex – Who’s Who in Star Trek #1 (1987)
Athach – D&D 3.5 – Monster Manual I
Baboon – Black Panther V4 #8 (2005)
Blood Reaper – Creature Collection II. Dark Menagerie
Chitine – TSR 2145 Monstrous Compendium Annual Volume 1
Geriviar – D&D 3.5 – Monster Manual III
Gnor – Field Guide to Creatures of the Dreamlands
Gorilla – Tales to Astonish V1 #41
Marilith – TSR 2140A Monstrous Manual
Mari – TSR 2158 Monstrous Compendium Annual Volume 2
Mephisto – Silver Surfer #7 (2016)
Odopi – D&D 3.5 – Monster Manual III
Pacifiers – Creature Collection III. Savage Bestiary
Shrieking Terror – D&D 3.5 – Monster Manual III
Squealer – TSR 2158 Monstrous Compendium Annual Volume 2
The Spider – Plastic Man V2 #2 (1967)
Superman (DC) versus Briareus in Action Comics V1 #320.
Aliens with six arms want our water in Space Adventures #46 (Charlton).
Mecha Shiva appears in the Venture Bros episode Booby Traps.
Paw Pooch (DC) shows of his multiple paws in Superboy V1 #131.
The Squid does a one-shot appearance in Astounding Villain House (Dark Horse).
Some sort of six-armed monster in The Books of Magic V1 (Vertigo).
Canon Fodder II (IPC Media) – 2000 AD #987
Chitine – WTC11832 – Monsters of Faerun
Jimmy Olsen (DC) – Superman’s Pal #41
Jimmy Olsen (DC) – Superman’s Pal #107
Jimmy Olsen (DC) – Superman’s Pal #137
Judge Dredd – Darkside – 2000 AD #1023
Nikolai Dante – 2000 AD #1040
Ormyrr – TSR 2145 Monstrous Compendium Annual Volume 1
Overtaken #4 (2017)
Power Girl V2 #20 (2011)
Quoquarto (DC) – Tales of the Unexpected #89
Slaine – The Treasures of Britain – 2000 AD #1006
Tantrika – Nemesis and Deadlock – The Enigmass Variations – 2000 AD #723
Weird Fantasy #2 (EC)
Dread Gods #3