Here is the full list of all 30 My Friend Pedro achievements.
Dodge 1000 bullets
Kick enemies 100 times
Complete a level without firing a weapon
Kick a frying pan in to the face of an enemy
Kill at least 3 enemies with one explosion
Juggle basketball 10 times without it touching anything
Kill 2000 enemies
Jump through 10 windows
Flip 10 tables
Finish the game
Finish chapter "The Internet"
Finish chapter "The Sewer"
Break 100 crates
Kill 1000 enemies
Kick a Gas Canister in to the face of an enemy
Finish chapter "Pedro's World"
Finish chapter "District Null"
Kill enemy by ricocheting bullet off frying pan
Kill 500 enemies
Kick a skateboard in to the face of an enemy
Get an S-rating
Finish chapter "Old Town"
Stick a knife in to an enemy
Get a 20x combo
Kill an enemy using a barrel
Get a 10x combo
Get a 50x combo
Get S-rating on 10 levels
Get S-rating on 25 levels
Get S-rating on all levels