Top middle is Edward Elric making fun of Roy Mustang in Fullmetal Alchemist in a very off-style model.

Top right is Gol D Roger's reaction after he reaches the final island in One Piece and finds the treasure.

No idea about Middle Left.

Middle is the "reveal" that Tobi was Obito in Naruto.

Middle right is something about Hunter x Hunter but I never read it.

Bottom left is a famous scene in Evangelion where Shinji masturbates over the comatose body of his friend.

Bottom middle is Vegeta kneeling begging to be trained by Whis in Dragonball Super.

Bottom right is Deku finding out the true powers of One For All in Hero Academia.