Cloudy is generally a happy person. He changes climate depending on his mood. In "Reveal Novum", he turns into a rain cloud when he is sad, a thunderstorm when he is mad and a regular white cloud when happy or neutral. He seems to have a thick accent, tending to voice voiceless consonants in words, and vice versa (example: dog = tok). Cloudy seems to dislike being bossed around or forced to do tasks, as shown in "Lick Your Way to Freedom" when he gets mad at Leafy tells him to bring jawbreakers