Bubble Bobble Old and New Cheats

How to get bonus items:)
Submit the initials below at the high score screen, then begin a new game to unlock that particular item and/or effect.

Beer mug (pizza instead of bubbles)
Submit the initials KTT.

Flamingo (pink worms instead of bubbles)
Submit the initials STR.

Fork (enemies turn into fruit)
Submit the initials SEX.

Knife (enemies turn into various items)
Submit the initials ....

Octopus (wooden stakes instead of bubbles)
Submit the initials TAK.

Soda can (enemies turn into various items)
Submit the initials I.F, KIM, MTJ, NSO, or YSH.