His personality is unknown, but it show's that he will keep his eyes in the sky. he can crash on something cause he has a telescope on his eyes he can fell or crash.
Just like many earth ponies, he used to be terrified of unicorns and pegasi, but after magic returned, he accepted friendship between all three pony kinds, he even can be seen having ice cream with a pegasus royal guard at the end of the movie.
Sparkle Chaser is a white Earth pony with grey hooves and lilac groves on them. His mane is lilac with aqua blue streaks and his tail has the same colors. He also has light brown eyes.