Indeed there has been.
From double barrel bara buff
To almost normal human proportions
To petite and almost peck-less
In the case of the Monkey family, the ancient Greek Homeric belief that sons were always lesser than their fathers appears to be right—with regard to chest size and height, at least.
HOWEVER, occasionally the trend gets broken and the least among us rises to the top
Garp must be truly proud.
One Piece OST - Binks’ Sake