Milk Detective

Milk Detective was the main antagonist of the episode Marshmallow's Missing. He began investigating the kitchen after Marshmallow had gone missing. Pear overheard the detective say that the kitchen was a crime scene, and revealed that Marshmallow went missing. He assured everyone that he would crack the case and asked who had filed the missing report. Mushroom filed the report saying that Marshmallow didn't show up when it was time for them to blow bubbles at 2 PM. Because of his prompt call to the authorities, however, he became Detective Milk's primary suspect. Pear chimed in saying that he should be more lenient with them considering that they are Marshmallow's best friends. Detective demanded proof of this by asking Pear what Marshmallow's gender was. Ironically, this was the one question Pear couldn't answer, making him the new primary suspect. This continued until Detective decided to place everyone under arrest until he got to the bottom of the case. Pear protested that he shouldn't do that, but Milk proceeded to place them under arrest for the murder of Marshmallow. Although, shortly after that, Marshmallow came back and told everyone why he had gone missing: because he flew across a rainbow with his mother. Milk Detective, however, still refused to believe Marshmallow's story... until he was crushed by a pot of gold emerging from the sky.

Personality
Detective Milk is a very sharp-witted and professional detective, however, he is very superstitious, and immediately reacts to anything he thinks is even slightly suspicious. He appears to have a rather short temper, too, as he tried to threaten everyone in the room with a gun on short notice.