Motormouth (comics)  Motormouth (Harley Davis) is a fictional character created by Paul Neary and developed by writer Graham Marks with initial designs by Gary Frank (Supreme Power, The Incredible Hulk). As the title character of her own series, "Motormouth" (later Motormouth & Killpower), was part of a line of original comics released in the early-to-mid 1990s by Marvel UK. She is a teenage street-rat from London, England with a fierce temper who curses constantly. She is 5 ft 4 in (1.62 m) tall and weighs roughly 7 st 7 lb / . "Motormouth" ran for twelve issues with Harley and later her partner Killpower going to various alternative realities from the regular Marvel Universe. Harley is orphaned at age 11 and grows up as part of a gang that lives in the East End of London. They survive by foraging and stealing. Her incredibly foul language earns her the nickname "Motormouth". When she is seventeen, Harley is discovered by Laarson, an agent of Mys-Tech, the shadowy organisation that featured in all of Marvel UK's 1990s titles. Harley is a candidate for his MOPED (Mind Operated PErsonal Dematerialization) technology. This allows people to jump between alternative realities but will only operate on people with certain strands of DNA. The unit is disguised as a pair of training shoes, which Harley finds and tries on. At the same time Laarson is being executed by Mys-Tech's Techno-Wizards and agents were sent to find the MOPED units. In order to save her and the units, Laarson's subordinates activate the technology and send her to another universe. While still on the run from Mys-Tech, Harley is sent to a future in which the world was covered in shopping malls. It was here she purchases a Soni-Muta 500 Unit, a microchip that allows her to mentally tune in to any radio station she wanted. This would later give her her sonic scream. Harley returns to her own universe and is captured and put to work by Mys-Tech. She escapes after a mission to Tokyo, Japan. She has to make a random jump in order to escape and ends up on a planet named Tekron. Killpower, an agent of Mys-Tech, is sent to find her. Unable to escape him, Harley reasons with the man instead. Mentally little more than a small child, Killpower becomes intrigued by Harley and joins her as her partner.