Enemies with a wolf

Correct!

• Little Red Riding Hood is preyed on by the Big Bad Wolf
• Puss from Puss in Boots: The Last Wish is hunted by Death, taking the form of an anthropomorphic wolf
• Zant from The Legend of Zelda: Twilight Princess is trying to stop Link, who in this game can take the form of a wolf
• Professor Marmalade from The Bad Guys is enemies with Mr. Wolf, who is an anthropomorphic wolf (as his name implies)

Next:

What do these four have in common?

They have names with repetition?

Correct!

• Jeong Jeong from Avatar
• Moto Moto from Madagascar
• Señor Senior Sr. from Kim Possible
  
• Bobobo-bo Bo-bobo from Bobobo-bo Bo-bobo
  

Next:

What do these four have in common?

Destruction of the Moon

Correct!

• Clara from Doctor Who destroyed the moon by letting a creature hatch out of it
• Korosensei from Assassination Classroom blue a giant chunk out of the moon, making it a permanent crescent
• Dr. Eggman from Sonic used his space station’s laser to blow up the moon
• Piccolo from Dragon Ball used a chi attack to destroy the moon to stop Gohan’s Saiyan transformation

Next:

What do these four have in common?

Famous Tumblr Posts

Correct!

• Do you like the color of the sky?
• Are fedoras really that bad?
• I like your shoelaces
• spiders georg is an outlier adn should not have been counted

Last one:

What do these four have in common?

they all have the initials PW ?

Correct!

• Pharrell Williams
• Pendleton Ward
• Patrick Warbutron
• Paul Walker

That’s all, folks! (…or is it? can you tell what the hidden theme is?)

Oh my gosh it is moon moon

Wolf

Double name

Moon

Meme

First and last letter of your name

Goddammit moon moon!

Correct!

More specifically P.W were the letters that formed “Moon Moon” in the original post

Now that’s all, folks!

Thank you so much to @pikachu-says-peekaboo​ for coming up with the brilliant theme and helping me out with the questions.