What are some funny cartoon birthday memes for a brother-in-law?

You could find ones with cute animals singing 'Happy Birthday' or characters from popular cartoons holding birthday cakes.

There are those with cute animals singing happy birthday or characters from popular cartoons making funny faces. Like SpongeBob looking goofy with a birthday hat!

There are lots of them! Some show him with a big cake and a crazy expression. Others might have him in funny outfits or surrounded by wacky characters.

They usually have bright colors, cute characters, and funny messages related to birthdays. They make people laugh and feel happy.

You could say, 'Hey bro, hope your birthday is as wild and fun as your favorite cartoons!'

Some examples could be when the brother and sister are caught in a funny situation together, like trying to do a task and messing it up. Or when they have different expressions to the same thing, creating a humorous contrast.

Well, there's the classic one of a cake with a face that has a goofy expression. It always makes people laugh.

There are many featuring old people making funny faces or doing goofy things. Like one where an old person is blowing out candles with a comical expression.

How about a cartoon of her getting all dressed up in a crazy outfit for her birthday and being confused about which accessory to choose? That could bring some laughs. Also, a scene of her opening presents and getting some really wacky gifts could be funny too.

One common birthday cartoon animal meme is a happy panda with balloons. Another is a smiling elephant with a birthday cake. These are often shared and loved on the internet.