The Brad doll was made from 1970 to 1973 and is Christie's boyfriend, the Curtis doll was made in 1975 and is Cara's boyfriend, both dolls are part of the vintage Barbie doll friends.  Both black adult male dolls have the same size beefier Ken doll body so they can wear his clothing.

1114 Talking Brad Doll (1970)

Has dark brown skin, black painted hair, brown eyes, black doll with bendable legs, talking Brad wore a bright colored multi print pull on shirt with solid color orange shorts.

Doll mark:  © 1968 Mattel, Inc. U.S. & For. Pat'd Other Pat's Pending Mexico

1114 Talking Brad Doll (1971-1973)

Same as above talking Brad doll with a little darker skin color. 

Brad doll mark © 1968 Mattel, Inc. U.S. & For. Pat'd. Other Pat's. Pending Hong Kong

1142 Brad Bendable Leg Doll (1970-1972)

Same marks and doll as the Brad talking doll without the talking mechanism, head mold is a little larger than the talking Brad doll head

Bendable leg Brad wore solid orange nylon shirt and multi-colored swirled printed trunks (same print as 1124 Good Lookin' Ken 1970).  

Brad doll mark © 1968 Mattel, Inc. U.S. & For. Pat'd. Other Pat's. Pending Hong Kong