B-4

B-4 was a Soong-type android who was discovered by his younger brother Data and the crew of the USS Enterprise-E in 2379.

B-4 was constructed by Dr. Noonien Soong, who like the majority of Dr Soongs works was modelled after Soong's own likeness. As a prototype unit, B-4 was considerably less advanced then his younger brothers Lore and Data.