Here is a little crocheted turtle that I have for another little one in the family.
I used this pattern.
There are many free and non free patterns out there to sew, crochet, or knit stuffed animals. Here are some links to check out:
You can always come up with your own as well. I like to do that most of the time, because there are moments where I just don’t have the time to sit down and design a pattern and all.