Here is the full list of all 20 Vadine: Bite-Man achievements.
Master of Tutorials
You like to kill helpless princesses
You have saved all of the children
You got through tough obsticles
You have fought off a Giant Monster!
You stole the dragon's gold from right under his nose
The fat oath will not eat any more hamburgers
You have completed this game. You should be proud of your accomplishment.
You have fought off your father for now.
You were forced to kill the brother you loved.
The warm up is over now. Now the show begins.
You have almost defeated your father!
Master of love
A new foe appears...
Evil Creature Slain
Wastes his time on top of bird nests
The trap was not effective enough to murder Vadine.
Not just poop came out of there!
You have made the narrator eloquently say cheers in other languages
The type of man that pees all over the floor