Description:
Thunder Wind's parents inspired him to become a Wonderbolt, being united as family and partners in adventures and pranks
Double Rainbow has a dream to become wonderbolt, but has little hope, her wings are too small to take flight, Rainbow Dash always says she's more than the eyes can see and only needs self-confidence
Thunder, like a good big brother, supports and protects Rainbow, saying that one day his wings will be so big that they will fill the whole sky