Motoyuki Otsuka (????, Otsuka Motoyuki, born March 4, 1964 in Tatsuno, Hyogo), known mononymously as Morrie, is a Japanese singer-songwriter.
He is best known as vocalist and co-founder of the influential heavy metal band Dead End, active from 1984 to 1990.
When they disbanded, Morrie began a solo career for five years, before moving to New York City and going into hiatus.
He reemerged in 2005 with the solo project Creature Creature, which utilizes several well-known Japanese musicians, reunited with Dead End four years later, and released in 2015 new solo studio album after twenty years.