Ken Jennings, all-time Jeopardy! winner, decided to promote the final day of Obamacare sign-ups and viciously attack deceased conservative icon Andrew Breitbart in one tweet.

Jennings tweeted,

Twitchy tracked some of the responses Jennings received. Most were disgusted but some enjoyed the former celebrity's callous remarks. One tweet read, "Being reminded he's dead is all the medicine I need."

When Twitchy brought attention to Jennings' inappropriate behavior, he doubled down, responding,

Since his Jeopardy! run Jennings has written books, gets paid for public appearances and blogs.