If anyone hurts him or upsets him , Unikitty gets very unhappy .
Puppycorn ( voiced by Grey Griffin ) is a unicorn - horned dog who is Unikitty 's younger brother .
If anyone hurts Unikitty or upsets Unikitty , Unikitty gets very unhappy .
Puppycorn ( voiced by Grey Griffin ) is a unicorn - horned dog who is Unikitty 's younger brother .