The Westboro Baptist Church, founded by Fred Phelps, is known for its particularly unhinged level of hatred for not only Jews and Israel (of course), but also LGBT people, Catholics, Orthodox Christians, Muslims, American soldiers and politicians. They are pretty much equal opportunity haters. You can see them in action in previous posts here and here.
Phelp’s own granddaughter Megan Phelps-Roper underwent an amazing transformation, going from being a prominent Church member:
To this:
Watch her TED talk about why she left the Church.
Bonus: there is a very, very, very tenuous Israellycool connection: one of the people who helped with her transformation was blogger David Abitbol of Jewlicious. He guest blogged at Israellycool a number of times 10 years ago.
Anyway, watch the video. It is 15 minutes well spent.