Celebrity lemur Jovian, the star of the PBS wildlife show for kids, "Zoboomafoo", died at the Duke Lemur Center in Durham, N.C., Monday. He was 20 years old.

"He'd jump in through the window and we'd feed him mangoes or garbanzo beans. Sometimes he'd grab our noses with those soft sifaka hands," co-host Martin Kratt said on Facebook.

Social media response to Jovian's passing was touching. Here is a look at some of those social media posts: