The Magic Factory: Creepy crawly (or) 'bumble bee'

Name: Creepy crawly (or) 'bumble bee'
Appearance: Yellow coat that seems to glow despite his black mane
Cutie mark: blue smily face
Age: 22
Magical aura: 'funny town' blue (due to an experiment)
Department: Party's and Pranks research (?)
Information: A very talkative stallion. He loves to play the occasional prank or joke on his fellow workers. Best known for his 'Magical Aura Colour Changer' (or MACC-5 for short) project and 'Mood Coat' (or MC-8 for short) round the lab. No pony takes him seriously at all due to all the pranks he's played in the past. As Timid Sapphire's cousin, he is willing to stand up and fight for her with all his pranks (and will).