Can Jean read your character's surface thoughts? Sure, this is cool.
Can Jean read deeper thoughts? Chromie's memories are formatted way differently than a human mind's but with a cosmic force they shouldn't be a problem, go for it.
Can Jean change your characters' thoughts? Yes, but expect to be fought.
Can Jean control your character? See above.
Can Jean knock out your character? Yup, that's cool.
Chromie
Can Jean read your character's surface thoughts? Sure, this is cool.
Can Jean read deeper thoughts? Chromie's memories are formatted way differently than a human mind's but with a cosmic force they shouldn't be a problem, go for it.
Can Jean change your characters' thoughts? Yes, but expect to be fought.
Can Jean control your character? See above.
Can Jean knock out your character? Yup, that's cool.