Meaning of Bobbsey twins

Bobb'sey twins"

Pronunciation: (bob'zē), [key]
  1. two people who are often together or seem to resemble each other, as in appearance or actions: We called them the Bobbsey twins, because they always had the same opinions.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.