NOT KNOWN FACTUAL STATEMENTS ABOUT TOON ME A RIDDLE

Q: My skin is green and slippery, I have four legs and webbed ft, I hop on land and swim underwater, I like bugs and minor fish to try to eat. What am I?138. I come in a variety of colors and I get greater when I’m full. I will float absent if you don’t tie me down And that i can make a loud sound if I crack. What am I?We get a lot of queries i