Thrasher
Wheeee!
As predicted
http://time.com/5137135/falcon-heavy-core-landing-spacex/
The main core hit the water at about 300 miles per hour, damaging the drone ship and covering the deck with shrapnel, Musk said in a press call following the Falcon Heavy launch.
http://time.com/5137135/falcon-heavy-core-landing-spacex/