Kotowaza of the day: Tweedle Dum, Dee

Japanese:

瓜を二つに割ったよう / 瓜二つ

Romanized:

Uri-wo futatsu-ni watta you / Urifutatsu

Meaning of Japanese:

Like a melon split in two

English equivalent:

(like) Peas in a pod
Spitting image
As like as two eggs