Flat worm I'd please

[snake65]

Is he bad or good, doesn't seem to strip on corals and eat so not sure.

 

[Crabs McJones]

Some type of elegant striped flatworm. Not 100% sure. @Lovemyreef2015 any ideas?

 

[BestMomEver]

Don’t know... but.... ewwwwwww!

 

[Highgrade]

Looks similar to a Pseudoceros bifucus (Polyclad Flatworm)

 

[Lovemyreef2015]

Looks similar to a Pseudobiceros gratus.
Picture for reference