There are many new creatures and aliens to meet
The weird frog-looking being on the left has unofficially been described as a Porg, based on a report from the blog Making Star Wars which has been correct more often than not on digging up new Easter Eggs in the franchise. According to the report, Porgs are “sacred creatures” from Luke’s adopted planet Ahch-to.
The other creature on the right has been officially described by Lucasfilm insiders as “more of a fox.”
Other beings are spotted in the trailer too but we’d rather not speculate any further on who or what they are. But all in all, the Star Wars list of creatures is ever-growing as always.