I need help identifying these guys

[dintz]

Any idea what the tube thing is as well as a brown tentacly dude is?

Thanks

 

[Tahoe61]

Brown with tentacles sounds like Aiptasia, the images are too far away for me to be certain.

http://www.lionfishlair.com/hitchhiker/hitchhiker.shtml

http://www.melevsreef.com/critter-id

 

[NanaReefer]

Majano Anemone. Pest, remove it. Very invasive.
Feather Duster. Harmless filter feeders, can spread like crazy.