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
Read the minds of an unexpected couple
Mind-read the recently departed
Read Luigi's mind while he's singing
Read Ray's mind
Give poor Ron the perfect idea for a date
Read the mind of an eaten fish
Never get noticed by the helicopter
Read the mind of a lonely cat
Read the minds of the ambulance personnel
Read Harry's mind while he's passed out
Climb the asylum tower without alerting any nurses
Return a totally sweet alien to the stars
Have enemies chasing other enemies chasing you
Read the minds of the drowned skeletons