American animated television series
What are the names of The Powerpuff Girls? What features are necessary for a group of words to be considered alliterative? Are #2 present in #1?
Are the names of The Powerpuff Girls alliterative? 
To be alliterative, words must have the same initial consonant sound. The names of The Powerpuff Girls are Blossom, Buttercup, and Bubbles.
The Powerpuff Girls