Daylight Stars, he is a smart pony, secret student of Celestia who likes video games. Richy Bling, he is a not so popular DJ Pony who is rich and really nice, a friend of Vinyl. Blazing Shield, she is always strict but a really good friend.
When these combine, you get Joy,Gratitude,Care

When All Every Villain Is LemonsEvil Is Lose, They team up to defeat 'Manaprebalangno'

PS, Crossovers means that there are references of other medias