superheroes.

로꾸거!!! by 슈퍼주니어-T.

The song doesn't make sense, because the phrases are meant to be palindromes. Read the same from left to right as right to left.
Since the song doesn't make sense, the picture doesn't. It's an inside joke.

Super Junior as superheroes (including Henry Lau and Zhou Mi).
Yes, one of them is Aladdin.
Yes, one of them is in a cow suit.

Artwork © me
Aladdin © Disney
My assload of references...
_Henry
[link]
_{Zhou Mi}
[link]
_{Han Geng}
[link]
(The button/designs on his jacket are directly from this), [link] [link]
_Kangin
[link] [link]
_Kyuhyun
[link] [link] [link]
_Kibum
[link] previous picture
_Siwon
Previous picture