I got a question for you: Andrew Huang is a Canadian musician, video producer, and YouTube personality. He is best known for his Song Challenge video series, which invites viewers to dare him in feats of musicianship, as well as viral hits such as Pink Fluffy Unicorns Dancing on Rainbows, 99 Red Balloons-played with red balloons, and Alphabetical 26-Genre Song. Huang has released over 50 albums of original music, either through DFTBA Records or independently, under his own name as well as the pseudonyms Songs To Wear Pants To, Your Heart, Girl, Spokesman, The Cloud, Ghostface Kilobyte, and VS.

Answer this question: who wrote the song pink fluffy unicorns dancing on rainbows?
Let's think first:
The important part for answering this question is: He is best known for his Song Challenge video series, which invites viewers to dare him in feats of musicianship, as well as viral hits such as Pink Fluffy Unicorns Dancing on Rainbows, 99 Red Balloons-played with red balloons, and Alphabetical 26-Genre Song.
Therefore, the answer is Andrew Huang.