Although it looks like your link goes to a page, rather than directly to the file. The link for that is https://media.tenor.com/sLU0qs_Oa30AAAAd/patrick-star.gif so we can imbed with that as 
If you type it like this you can imbed:
Although it looks like your link goes to a page, rather than directly to the file. The link for that is
https://media.tenor.com/sLU0qs_Oa30AAAAd/patrick-star.gifso we can imbed with that as