How do you unlock all dummy skins

So far, of the ??? skins I have, in order L-R:

Frankenstein - shoot west-east
Butcher - shoot north-west-south-east
Scottish - complete level from level editor
Stonedummy - shoot a dummy exactly south

Operator - go to skins gallery while playing
Nurse - complete a level perfect with the basic skin
Invisible - 10 seconds between 1st and 2nd shot
Ice dummy - wait 10 secs after a level starts

Eva - shoot immediately when a level starts
Aerobics - on level 67 shoot 10 dummies out of screen and complete
Cuban - level 36 more than 100000 pain
Treedummy - shoot 10 dummies in 5 secs

Caveman - complete the last level twice
Bull - on level 28 shoot 5 dummies out of screen and complete
Batter - complete level 2 in slow-motion
Gorilla - all the movable blocks out of the screen and complete

Creature - retry level 51 10 times
Karate - complete a level and retry it
Schooldummy - shoot more than 30 dummies in a level
Fireman - shoot 2 dummies from exactly the same position

King - shoot more than 10 dummies in level 97
Adam - change the skin 10 times from the gallery in game
Ninja - complete a level perfect with more than 1 shot

boobies