Google has created sixteen Mr. Men and Little Miss-themed Google Doodles in celebration of author/illustrator Roger Hargreaves‘ 76th birthday. As an extra bonus, the doodles change each time the Google page is reloaded.

Here’s more from The Guardian: “More than 100m books based on Hargreaves’s characters have been sold worldwide in 28 countries, while five more were completed by his son Adam, but even greater world domination may yet be on the way in the form of a big screen adaptation.”

The image embedded above stars the iconic character that started off the Mr. Men series, Mr. Tickle. Below, we’ve embedded three of our favorite Google Doodles. They feature the following characters: Mr. Happy, Little Miss Naughty,  and Little Miss Sunshine. (via Publishers Weekly)