You have to play all the levels and if you pass every one, you get to unlock Dr. Blowhole.
Easy as that!
Hope I helped!!
I did "doctor, fish, claws, and claw!"
fish it doesn't work on my computer
there is no code because you already have him at the start of the game
Mini is the code.It's an action game
claws for online game
The code is: claw
Dr. Blowhole isn't in brawl.
its called Dr animo
i don know
the code for the 4th mission is claw
carefully beat him. his tail is so powerful
Penguins of Madagascar Dr- Blowhole Returns - Again - 2011 VG was released on: USA: 13 September 2011