See the hilarious results of what happens when you rotate the logo for the UK Office of Government Commerce 90 degrees to the right. Ouch.

Everyone has a favorite something. Favorite artist, favorite song, favorite dish, favorite vacation spot, etc. So, we asked some ambigram artists and lovers to reveal their favorite ambigrams.

Creating great ambigrams isn’t easy, and everyone makes mistakes along the way… human or not.

The four Angels and Demons brands are shown only briefly in the movie adaptation of Dan Brown’s book. Here are the four ambigrams branded onto the chests of the Preferiti in more detail.

Invertible designs existed long before the term “ambigram” was ever mentioned. Here is a scan of the first known ambigram.

Calling ambigrams the “hottest trend in typography since Helvetica”, Wired Magazine publishes this gem by artist Scott Kim.

If ambigrams were people, this would be the collection of “A-List” celebrities.

In “Angels and Demons”, Dan Brown states that ambigrams are four hundred years old, but the known history of ambigrams is quite a bit shorter.

This ambigram generator comparison page compares all of the existing ambigram generators, including how they work, what to expect, and a look at their output.

While you can create an ambigram of all kinds of words, names are by far the most popular thing to turn into ambigrams.