Who drew the very first drawings of Strawberry Shortcake?

Creator of Strawberry Shortcake Barbi Sargent

Barbi Sargent created Strawberry Shortcakes first ever images. Here is it compared to a newer Shortcake card

Very first drawing of Strawberry Shortcake was called
"Girl with a Daisy" by Creator of Strawberrry Shortcake
Barbi Sargent . Original painting from 1972. Released as a
Valentines Day card 1973

This card is shown in the article above as
the Strawberry Shortcake that  "evolved"
from the "Girl with a Daisy".
This card is from 1979

Above images are inside, back and other angles of the  1979 Christmas Easel card from 1979. 

Also refer to the following People Magazine Article for more details about the influence of the above first ever Barbi Sargent "Girl with a Daisy" card. 

https://people.com/archive/whos-red-and-sweet-and-filthy-rich-strawberry-shortcake-toylands-newest-tyke-coon-vol-17-no-18/

Left - 1st every Strawberry Shortcake drawing by Creator of Strawberry Shortcake
Right A greeting card from 1978 by American Greetings

Left - original full color art by Barbi Sargent made to look more "berryish" for mega Test Market 1977
Right- Card that was created in 1979 by American Greetings

Left - Sketch of Strawberry Girl by creator of Strawberry Shortcake Barbi Sargent 1977
Right- A strawberry Shortcake Greeting card by American Greetings 1979

Barbi Sargent is the original creator of Strawberry Shortcake!

Accurate Evolution of Strawberry Shortcake