Some creatures that start with r are, rabbits, rats, raccoons, and rhinos.
Echidna.
Unicorn
I guess this isn't a creature, but I guess the god Odin.
Griffin.
Quillfish.
· Unicorn Fish
· porpoise
The Red Square begins with R.
Vole.
Rum is a liquid. It begins with the letter r.
Put Romano cheese on a pizza. It begins with R.
Round is the opposite of square. It begins with the letter r.