Dandy's World Art game

Wanna play guess the murderer? M'kay! Who killed astro? Clue: they had rainbow petals. Suspects! Dandy: i-it wasnt me..! I would never do that.. Glisten: why would i..? I would never. Toodles: .... What...? Gourdy: oh no... Who's the suspect? Read the clue! 2nd clue: he had mint blush