He added: "We always goof around like that, so we decided to video it. This is something natural for us."
Alexandre said that going viral is an amazing feeling.
She said: "I really wanted this for my brother because I know he loves to entertain on his social media and YouTube channel. I love to entertain too, that's why I work with children.
"Our friends and family were just waiting for this to happen. They asked why this didn't happen sooner.
"They call us the Frank and Yve Show. We just do random things all the time. Our friends on both sides ask themselves how they deal with us. We just know it's healthy to laugh. So let's laugh together."