These are on an another planet:
Datsyuk (One of the best danglers that ever played in the NHL with Kovalev)
Kovalev (see above)
Kane (he's finally getting his slick hands to work this year)
Nash (his dangling is underrated, watch him in Sotchi on the big ice)
Really good at dangling :
Giroux (always getting out of trouble with dekes)
Malkin (no words needed)
Ribeiro (smooth hands, so natural)
Tavares (nobody can steal a puck from him)
Jonathan Drouin (Not in the NHL yet, but the puck sticks on his stick, literally)
Havlat is pretty good. I started watching hockey around 2007-2008 and the Sharks since that time period didn't really have any danglers iicr. Heatley tried it a few times but failed miserably more often than not. It's a real treat to finally have someone who can actually dangle on the team.
Havlat was once an all world dangler, moves other guys wouldnt even try.