Does this optical illusion show a rabbit and then a duck, a duck and then a rabbit, only one of the two, or neither of them? According to a new study, your answer says a lot about your personality.

The duck-rabbit drawing was first used by American psychologist Joseph Jastrow in 1899 to make the point that perception is not only what one sees but also a mental activity.

In this bright pink, a person can either see a duck or a rabbit at first glance and depending on what catches their attention first, a lot can be decoded about their true personality, Yilin shared.

Rabbit or duck? This 124-year-old drawing has both if you can spot them. It's an optical illusion that would have driven Elmer Fudd to distraction. Feb. 15, 2016, 9:08 AM EST / Source: TODAY.

They're both. However, our brains insist that they are one the other, at any one time. They're duck, rabbit, duck, rabbit. But they never seem to be a "duckrabbit". Not for me anyway. Even though I ...

It’s nothing new, but the classic brain-bending illusion has been making its way around the web.