Gay Guy

An example of his abilities

John Byrne has written many great works. He has written the Fantastic Four, a Superman reboot, the X-Men, the Next-Men the IDW Star Trek comics and the start of the Hellboy series. However, his incipient work, Gay Guy, is (to put it politely) political incorrect.
History
As a kid, Gaylord Le Guye had his lollipop stolen by the villainess Ruby the Dyke. Somehow, this made him think all women are evil. He swore "by the spirit of my poor lollipop that I shall spend my life fighting evil!" Years later, he used his inheritance (from his now-dead parents) to become a superhero modeling his costume after a butterfly. He worked with Police Chief Znurn.
Powers
Gay Guy uses his wits and gadgets to fight crime. He knows that he is in a comic strip. As such, he can use this to his advantage such as attack someone in the next panel. He has secret base under a beauty salon and a "Homobile".
References:
http://www.internationalhero.co.uk/g/gayguy.htm
http://en.wikipedia.org/wiki/John_Byrne_(comics)

Angle Man

History
Angle Man is a con man and master thief from Italy. He uses the Angler device. This allowed him to confuse or avoid would be-capturers. He used a gimmick where he tries use "as many angles as" (Comicvine) possible. He was a minor villain to Wonder Woman during the Gold and Silver Ages even joining the Secret Society of Super-Villains and Academy of Arch-Villains. He was killed in Crisis on Infinite Earths. However, he was brought back. This version had an version of the Angler device that was a Penrose Triangle. In the New 52 event "Forever Evil", he was a member of the Crime Syndicate.
Powers and Abilities
Angle Man is a master thief. His main tool is the Angler, a device with various abilities. This allow him to teleport; bend perspective, space and perceptions; and alter gravity.
References:
http://www.comicvine.com/angle-man/4005-10886/
http://www.comicvine.com/angler/4055-57183/

Daredevil

This is not the Marvel character. There was a World War II-era character of the same name. However, the character (due to his revision of origin) is basically two different characters. Like many Golden Age superheroes, he is public domain.
History
Daredevil had two origins and costumes related to the origins.

His original costume

Originally, Daredevil had a Batman-like origin. Bart Hill witnessed his parents being killed. The trauma led him to become mute and a superhero. He trained himself to become a boomerang marksman. He used this to aid his crime fighting.

His normal costume

Due to Bart speaking in his second appearance, his origin was changed to a more Tarzan-like origin. Bart's parents died in Australia. An aboriginal tribe raised him and taught Bart how to use boomerangs. Inexplicably, he became a superhero when he returned to America and can speak perfect English.

Regardless of origin, Daredevil fought in World War II. He teamed up with fellow heroes Dickie Dean, Pirate Prince, Cloud Curtis, Lance Hale and Silver Streak. He fought villains such as the Claw, Adolf Hilter, Wolf Carson, the Scarlet Skull (not to be confused with the Red Skull), Deadly Dozen and the Bolt.
References:
http://pdsh.wikia.com/wiki/Daredevil

Element 152

The scene in question

In Adventure Comics issue 305, Marvel Lad (actually Mon-El in disguise) creates Element 152 by vibrating iron, gold and silver at superhuman speed so to make them into a new element. There are several things wrong with this. First off, vibrating a substance cannot alter the molecular structure of an object. Mon-El probably should have just shattered the brick or heated it up. Second, "Element 152" seems to be an iron-gold-silver alloy as oppose to an element (which has to be pure) since he is combining them. Lastly, Mon-El explains the name saying that "152" refers to the atomic weight. This would seem to imply it is an isotope of either Hafnium (which has atomic weight of 178.49) or Tantalum (189.94788).
The above image is a cropped version of this image. My source of this issue was Showcase Presents Legion of Superheroes volume 1.

White Rabbit

From Marvel Team-Up issue 131

Charles Dodgson (probably best known by his pseudonym "Lewis Carroll") created the timeless classic Alice's Adventures in Wonderland. His works influenced numerous works ranging from entire stories to individual characters. White Rabbit is an example of the latter.
History
Lorina Dodson was the trophy wife to an elderly man, Lewis Dodgson. Bored, she killed him and used his money to funded a life of crime. She took the alias "White Rabbit". She started robbing fast-food restaurants. However, Frog-Man and Spider-Man stopped her and her minions. Frog-Man stopped her when she tried to rob a book fair. White Rabbit attempted to get other villains to help her, but only Walrus agreed. The duo were defeated by Spider-Man, Frog-Man and Leapfrog (Frog-Man's father). White Rabbit reappeared with two "minions" (actually actors since no real criminal would work for her) Dormouse and Mad Hatter. She captured Grizzly and Gibbon then demanded a ransom (which she increased when the mayor rejected her original offer). Bag-Man (Spider-Man) defeated White Rabbit allowing Grizzly and Gibbon to escape. White Rabbit started to date the X-Men villain Arcade. After a failed attempt to kill Wolverine and Black Cat, the Arcade and White Rabbit on the Savage Island with a goat by their would-be victims. Arcade abandoned her. A group of cannibals worshiped the goat and made White Rabbit their queen. Upon finding Arcade, White Rabbit refused to save him from the cannibals. Later, White Rabbit was a member of Hood's Gang. She was sent to prison after failing to kill Bobby Carr.
Equipment
Since Lorina has no powers, she uses an array of equipment and weapons. These include killer bunnies, explosive-firing umbrella, rocket boots and razor-tipped carrots. She travels via "the Flying Hare".
References:
http://marvel.wikia.com/Lorina_Dodson_(Earth-616)
http://en.wikipedia.org/wiki/Works_based_on_Alice_in_Wonderland

Scourge the Hedgehog

Scourge post-transformation

History
Scourge was an evil version of Sonic the Hedgehog. He attempted to switch places with Sonic but was defeated by him. Scourge was sent back to his home dimension. Scourge was exposed the Master Emerald, which made him green fur and super strength. Scourge took over his own world. He attempted to use his "Suppression Squad" to take over Mobius (Sonic's homeland). The Freedom Fighters (Sonic's posse) attempted to stop him, but he seemed to be too powerful in his Super Form. Sonic tricked him into returning to normal state thus allowing Sonic to defeat them. Scourge attempted to escape, but failed. Scourge was imprisoned the No Zone Prison.
Powers
Scourge has Sonic's powers. As such, he can use super speed and the spin dash move. His transformation seemed to give super stamina and strength. With the Chaos Control, he can teleport. Like Sonic, he can change into a super form.
References:
http://www.comicvine.com/scourge/4005-45337/
http://sonic.wikia.com/wiki/Scourge_the_Hedgehog

Dirk Drain-Head

Truly the most noble of heroes

Dirk Drain-Head was a fictional superhero comic that appeared in Valiant Comics' Super Mario Bros comic (as part of their Nintendo Comics System).
Content
The series focuses on the titular hero Dirk Drain-Head. He uses an array of plumber-related weapons. He has stereotypical superhero traits like being virtuous, having a sidekick and so on. Dirk resembles Luigi (which was probably intentional). He has a sidekick named "Snakey". His villains include Dark Dirk (Dirk's evil twin), Muck and Pipe Ooze. Oddly, the comic is said to released quarterly yet it has 658 issues. Assuming that were no publication delays or schedule changes and Super Mario Bros. takes place in 1990 (when the comic was made), this would mean Dirk Drain-Head would have been published since 1825.
History
Dirk was originally mentioned in "A Mouser in the Houser". However, he didn't have a prominent role until "The Adventures of Dirk Drain-Head". Here, Mario tells Luigi about how much he loves Dirk and later attempts to find a place to read the comic. Luigi claims he and several other characters hate Dirk. During a fight with a Birdo, Mario loses an issue of the comic, which some enemies (who also fans of series) find and read. In "Bedtime for Drain-Head", Mario's obsessive reading of the comic causes him to sleepwalk (during which, he thinks he is Dirk) and tries to find "Snakey". Oddly, Mario is shown to be more competent in this state since he managed to subdue Bowser without help. The story "The Revenge of Pipe Ooze!" shows there is an annual Dirk Drain-Head fan convention and role playing game.
References:
http://www.mariowiki.com/Dirk_Drain-Head
http://www.mariowiki.com/Dark_Dirk#Dark_Dirk