The Sewing-Life Alchemist, a State Alchemist, Nina Tucker's father.
Desperate for promotion and funding, Tucker tricked his wife into becoming a lab rat for his chimera project (i.e. turning her into a chimera herself) before she dies as a result, and later fuses his daughter and his dog to create another chimera. His indiferrence to his family's death and mutiliation enraged Edward Elricto the point that he beated him into a pulp after found out about his scheme.