Here is the full list of all 16 Stick it to The Man achievements.
Read the minds of everyone ever
Get chased by 5 enemies at the same time
Climb the asylum tower without alerting any nurses
Read the minds of the drowned skeletons
Read Ray's mind
Mind-read the recently departed
Read the minds of an unexpected couple
Read Luigi's mind while he's singing
Give poor Ron the perfect idea for a date
Read the mind of an eaten fish
Never get noticed by the helicopter
Read the minds of the ambulance personnel
Read Harry's mind while he's passed out
Return a totally sweet alien to the stars
Read the mind of a lonely cat
Have enemies chasing other enemies chasing you