I got this from the fan wiki, so I do not know much about it because it didn’t give me that much information anyways Otto is a tiny, green, rectangle-shaped pixel mascot, with two eyes and two "ears". When a level is playing, it will blink whenever it lands a beat.but this is not rhythm doctor, so he’s just going to talk to you I make some things up that’s OK because I do not know that much about this character anyways this guy will only say Bweep but it does come with the translation