I may be young, but I know (Part 6)...

 Young Hero Month

Marvel's Cloak And Dagger.

POLT

I'll take my chance on a beautiful stranger (Part 31)...

 Alien Hero Month

DC Comic's Super Friends twins from planet Exxor, Zan and Jayna the Wonder Twins!

POLT

I'll take my chance on a beautiful stranger (Part 30)...

 Alien Hero Month

Marvel Comics' member of the New Mutants and member of the Technarcny race Warlock.

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I'll take my chance on a beautiful stranger (Part 29)...

 Alien Hero Month

DC Comics' Querl Dox (aka Brainiac 2) from the planet Colu....and founder of the outer space team who took over when the Guardians collapsed leaving a power vacuum, the team known as L.E.G.I.O.N.

POLT

I'll take my chance on a beautiful stranger (Part 28)...

 Alien Hero Month

DC Comics' Superman of Earth-2, a Kryptonian named Kal-L.

POLT

I'll take my chance on a beautiful stranger (Part 27)...

 Alien Hero Month

The first, the best, the greatest, DC Comics' Superman aka Clark Kent aka Kal-El, a Kryptonian.

POLT

I'll take my chance on a beautiful stranger (Part 26)...

 Alien Hero Month

Kara Zor-El, aka Supergirl, one of DC Comics Kryptonians

POLT

I'll take my chance on a beautiful stranger (Part 25)...

 Alien Hero Month

DC Comics' Starman Mikaal Tomas, from Talok III

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I'll take my chance on a beautiful stranger (Part 24)...

 Alien Hero Month

Marvel Comics' Starjammers! (drawn by Alan Davis (and inked by Terry Austin).

Kneeling: Hepzibah, from the Mephitisoid race

Standing: Corsair (human, doesn't count), Raza of a never named race

In back: Ch'od, of the Saurid race

POLT

I'll take my chance on a beautiful stranger (Part 23)...

 Alien Hero Month

DC Comics' Princess Koriand'r aka Starfire and a member of the Tamaranean race.

POLT

I'll take my chance on a beautiful stranger (Parts 21 & 22)...

 Alien Hero Month

Marvel Comics' Rom, The Spaceknight, a member of the Galadorian race.

Marvel Comics' Silver Surfer, a herald of Galactus and longtime member of the Defenders, and a member of the Zenn-Lavian race.

POLT

I'll take my chance on a beautiful stranger (Part 20)...

 Alien Hero Month

DC Comics' Starman II, Prince Gavyn, from the planet Throneworld.

POLT

I'll take my chance on a beautiful stranger (Part 19)...

 Alien Hero Month

DC Comics' Power Girl, she's Kryptonian and the cousin of Superman, but Earth-2's Superman.  She's kind of the Earth-2 equivalent of the Supergirl.

POLT

I'll take my chance on a beautiful stranger (Part 18)...

 Alien Hero Month

Yesterday we had Martian Manhunter, he was a Green Martian.  There was also a race of White Martians, and one of them took the form of Miss Martian, and was a member of the Teen Titans. 

POLT

I'll take my chance on a beautiful stranger (Part 17)...

 Alien Hero Month

DC Comic's J'onn J'onzz, The Martian Manhunter....obviously, from Mars.

POLT

I'll take my chance on a beautiful stranger (Part 16)...

 Alien Hero Month

Marvel Comics' Marrina, a member of Canada's Alpha Flight, later member of the Avengers, later wife of Namor The Sub Mariner, and member of the Plodex race.

POLT

I'll take a chance on a beautiful stranger (Part 15)...

 Alien Hero Month

Marvel Comics' Lyta, a Skrull who impersonated Alicia Masters a companion of the Fantastic Four and later married The Human Torch before being revealed as a Skrull. 

POLT

I'll take my chance on a beautiful stranger (Part 14)...

 Alien Hero Month

Marvel Comics' Lockheed the dragon, the pet/friend of Kitty Pryde....his race was simply called Dragon.

POLT

I'll take my chance on a beautiful stranger (Part 13)...

 Alien Hero Month

DC Comics' founding trio of the Legion Of Super-Heroes: Rokk Krinn aka Cosmic Boy from Braal, Imra Ardeen aka Saturn Girl from Titan and Garth Ranzz aka Lightning Lad from Winath.

POLT

I'll take my chance on a beautiful stranger (Part 12).....

 Alien Hero Month

DC Comics' member of the Green Lantern Corps, Kilowog, a member of the Bolovax Vik race.

POLT