Dr. Malachi Craven is a scientist at the Hilihili Research Center on the Big Island of Hawaii.
Dr. Craven tears up Quigley Kim's camp in a fit of rage when he correctly assumes her to be spying on him. Nancy visits him looking for some photovoltaic cells and a microscope lens and even to sneak into private areas of the facility, even though he is extremely ill-tempered. He has developed an irritation to a plant he had hybridized and takes pills that make him drowsy to help with it.
- Dr. Craven has a reputed IQ of 182.
- Malachi Craven was born on August 18, 1943.
- Dr. Craven has a doctorate degree in horticulture from Cornell University and specialized in chemically induced plant mutations.
- Dr. Craven was involved in private research at Worldwide Agro-Chem, Moby Tech, and ViveChem.
- Dr. Craven maintains a blog called I_M_A_G_nious.tec.
- In 2003, Malachi Craven was thrown out of the World Conference of Biotechnologies in Geneva for calling the co-presenters "hopelessly deluded morons".