Quite.
The plural of Hobrog is Hobbrim. The most famous of the old hobbrim is Kali (sometimes called Durshag) whose tale is told in "The Lonely Star" books
two,
three, and
four. Kali played a minor but important part in events leading up to both the drowning of Numenor and the drowning of Beleriand.
Other notable Hobbrim in the tale include Phura and Azraph.