Fictional aliens debuting in the year 1940. 1939 <--> 1941 Trending pages Klaatu's Species Tweenie All items (7) # A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Other C Centosaur G Goolian H Hormad K K'n-yanian Klaatu's Species P Phib T Tweenie Categories: Fictional Aliens by Year of Debut Add category Cancel Save Community content is available under CC-BY-SA unless otherwise noted.
