Can anyone identify this font, or another font similar to it?

Akzidenz Grotesk  Suggested by monkeymonkz 


Din Bold  Suggested by tophy52 
Harabara Mais  Suggested by Menhir 
News Gothic Bold  Suggested by pirates 

Any free fonts that look similar?

Arial !

Except fot the rounded form at the hight left corner of each letter.

Many font similar in this theme : http://www.dafont.com/en/theme.php?cat=501&text=PAUL+FRANK&fpp=50

News Gothic Bold

Thanks for the suggestions everyone. I am designing a Paul Frank themed party invitation and I will use one of these!

Berthold Akzidenz Grotesk BE Medium

source: paulfrank website