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Sleepwalker possesses super strength and flotation-like flight. Sleepwalker's only offensive power is his warp gaze. With this vision-based power, Sleepwalker can alter the shape of physical objects and twist them to his purposes. Sleepwalker initially demonstrated this power by using it to distort a sidewalk to capture a criminal. He also used this ability once on air molecules to create a wind tunnel for faster aerial travel.
Sleepwalker is trapped in the mind of Rick Sheridan and can only escape when Sheridan is asleep. Once Sheridan wakes, he is banished back to his mind.
The Mindscape: the dimension which borders on the minds of all sentient creatures. The evil Mindscape entities often seek to enter the minds of sentient beings and drive them mad. Protection comes from the Sleepwalkers, other entities of the Mindscape sworn to prevent the evil beings from entering the minds of innocents. Sleepwalkers are guardians of the Mindscape-- they apprehended beings that invade the sleeping minds of humans. One of these guardians was tricked by his long time foe known as Cobweb into entering the mind of one individual, New York college student Rick Sheridan. The two fought within Sheridan's dreams, but when Cobweb left, the Sleepwalker found himself trapped.
As the Sleepwalker tried to leave Sheridan's mind, he found himself appearing in Sheridan's dreams, or, alternatively, into Earth when Sheridan was asleep. At first, Sheridan believed that the Sleepwalker was just a character in his dreams, until watching the evening news and seeing a report about an attempted robbery. The robbery had been broken up by someone who, according to a police sketch drawn from the description given to them by eyewitnesses, looked exactly like the being in Sheridan's dreams. Sheridan decided to avoid sleep as long as possible, in order to avoid releasing the being again.
When he finally dreamt, Sheridan fought this strangely-dressed, haunting figure. Rick reacted by tearing off Sleepwalker's Imaginator (a badge-like device worn by Sleepwalkers used to teleport around the Mindscape.) This resulted in an odd situation, further trapping the two together: when Rick slept, Sleepwalker could materialize in reality or he could stay in Rick's mind and converse with him via his dreams. It was through these conversations that Sleepwalker was able to dispel Rick's initial fears that he was a malicious entity that wished him harm and work out agreeable terms of cohabitation.
The Sleepwalker learned that Earth was a place full of those who preyed upon the innocent, just like Cobweb and the malevolent entities of the Mindscape. He became a crimefighter, fighting against costumed villains such as 8-Ball, Bookworm, the Chain Gang, and Lullaby. He also teamed up with several of New York's heroes. Once, he joined Spider-Man, the Fantastic Four, and a half-dozen others to defeat the Sinister Six when the villains were backed by the supernatural Gog. Another time, the Sleepwalker became one of Doctor Strange's Secret Defenders against the demonic Roadkill.
It was later revealed that Sleepwalker's race (actually introduced in Tales of Suspense #22) was not one dedicated to protecting Earth but in fact secretly planned to conquer it. When the race tried to invade the world, Sleepwalker decided to rebel. This turned out to be a plot by Sleepwalker's old foe Cobweb to spread mass insanity and thereby gain more power. Cobweb transformed his own minions to appear as the Sleepwalker race and sent them to Earth using Sleepwalker's long lost Imaginator. After reclaiming the Imaginator, Sleepwalker disappered into the subconcious of his host, Rick.
Recently, Sleepwalker reappeared, forming the League of Losers along with a combination of obscure superheroes Darkhawk, Speedball, Dagger, Araņa, X-23, Gravity, Terror, and Mutant 2099. The team was forced to seek refuge in the far future, to defeat the villain Chronok. At this time his link with Rick appeared severed. Sleepwalker remained in the future, as after they "fixed" their past, the heroes realized they were "already there" and therefore unable to return.
First Appearance: Sleepwalker (1991) #1
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View a chronological listing of this character's appearances
Avenging Spider-Man (2012)
Civil War: Battle Damage Report (2007)
#19 Deadpool: Too Soon? (2016)
- 'Mutant Agenda'#20
- 'Sleepwalker's Rage'
Doctor Strange: Sorcerer Supreme (1988)
#46 Epic Anthology (2004)
- 'Strange Bedfellows, Part I'#47
- 'Strange Bedfellows, Part II'
Fantastic Four (1961)
#642 G.L.A. (2005)
- 'Back in Blue Part 2'#643
- 'Back in Blue Part 3'#644
- 'Back in Blue Part 4'#645
#2 Infinity Countdown: Darkhawk (2018)
- 'Dismembership Drive'
Infinity Crusade (1993)
#1 Infinity War (1992)
- 'The Damned'#4
- 'Mortal Sins'#5
- 'Holy War!'#6
Infinity Wars: Sleepwalker (2018)
Marvel Encyclopedia (2002)
Marvel Legacy: The 1990's Handbook (2007)
Marvel Team-Up (2004)
#9 Ms. Marvel (2006)
- 'Master of the Ring, Part Three'#10
- 'Master of the Ring, Part Five'
#19 Official Handbook of the Marvel Universe A to Z (2008)
- 'Puppets Part 2 Of 3'#20
- 'Puppets Part 3 Of 3'#22
- 'Monster and Marvel Part 2'#23
- 'Monster and Marvel Part 3'#24
- 'Monster and Marvel Part 4'#26
- 'The Secret Invasion!: Part 2'#27
- 'The Secret Invasion!: Part 3'
#27 Secret Defenders (1993)
- 'From Here to Maternity'
#4 Sleepwalker (1991)
- 'Get you Kicks on Route 666!'
#1 Sleepwalker Holiday Special (1993)
- 'To Sleep Perchance To SCREAM!'#2
- 'Behind The 8-Ball'#3
- 'Theater of Madness'#4
- 'You Can't Tell a Bookworm by It's Cover!'#5
- 'Web of Confusion: Part 1'#6
- 'Web of Confusion: Part 2'#7
- 'The Ties That Bind!'#8
- 'Night of the Living Deathlok!'#9
- 'Sing a Song of Sin!'#10
- 'The Hero Within!'#11
- 'Ghost of a Chance!'#12
- 'Dark Dreams and Darker Schemes!'#13
- 'Blinded by the Light'#14
- 'The Color of Pain!'#15
- 'Journey to the Center of the Mind'#16
- 'Brain Dead'#17
- 'Portals of Power! - Part III: Doorway to Doom'#18
- 'Rest In Peace!'#19
- 'Mindfield Part 1: Meeting of the Minds'#20
- 'Mindfield! part 2: Split Decision!'#21
- 'Mindfield! part 3: Mistaken Identities'#22
- 'Minefield! Part 4: Beyond Life And Death'#23
- 'Mindfield! part 5: By the Throat!'#24
- 'Mindfield! conclusion: Between Two Worlds'#25
- 'Land of Broken Dreams'#26
- 'Harvest of Fear!'#27
- 'Last Rites'#28
- 'Dementia Deluxe!'#29
- 'Mistaken realities'#30
- 'Shadow of the past'#31
- 'The insanity defense'#32
- 'The Fatal Cure'#33
- 'The Dream Is Over'
#22 The Marvel Masterpieces Collection (1993)
- 'Revenge of the Sinister Six: Part Five: The Sixth Member'
The Marvel Tarot (2007)
The New Avengers 100 Project (2011)
The Official Handbook of the Marvel Universe: Master Edition (1990)
The Unbeatable Squirrel Girl [II] (2015)
#464 Web of Spider-Man (1985)
- 'Blessed Obedience'
- 'Crisis of Conscience, Part 3 of 3: Judgement Day'
Operation: Lightning Storm
Secret Defenders (Marvel)
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