There are many ways to survive a boring lecture. You can chat with your friends, doze off or start streaming a movie. All those, of course, will most likely be seen by the teacher which, needless to say, can quickly turn into an ugly situation. Thus, the craftiest students skip all of those options. They choose the most creative route — they doodle on their textbooks!

By choosing to do so, they convince their teachers and classmates that they are responsible students who are eager to take notes. They escape from their boredom and frustrations by using their creative juices. As a bonus of their imaginative doodling, they leave a legacy of crazy drawings that are sure to bring laughter to those who see them.

Here are 73 legendary doodles that have caught the funny bone of students and netizens alike.