The needed info!

It's Birdy! This is her MonsterSona. Her own face on this profile! Very cute! With expressions and everything! She was fun to draw, very quick. A lot quicker than Lenerd's Goatself.
Getting the heights was tricky. During the process Lenerd asked Birdy what her ghostsona's height was. And literally just copied her next to Lenerd's goatself and that was.. perfect! But that didn't help him understand how big she would be in height. Soooooo.

Lenerd had to try and work out how tall Her ghost form was with pixels, then converting it to centimetres (from there he could do feet and inches). So Lenerd shrank a Canvas down to the exact tops (making the tops of the horns equate to Lenerd's actual IRL height of 178cm) and got the pixel sizes you see below.

178 CM = 2185 Pixels
??? = 810 Pixels

Once obtained the sizes could be divided, to work out how many Birdy's could fit stacked up to one Lenerd. He was actually close when his first guess was "Two and two thirds" Only being off by 0.03cm so not too bad ;p

2185/ 810 = 2.697530864197531
then you just have to divide the height of Lenerd by how many Ghosts stack next to him in centimetres.

178/2.697530864197531 = 65.9

And with that tadaaaaaa

overall she was a lot of fun to draw up! And it is nice to do expressions too! Of a different kind I mean!

Character © PlayerBirdy aka NeonSparkMagic
Undertale © Toby Fox

Credit this account if you are sharing it anywhere else.

The artists that have coimbined their powers here today.
PlayerBirdy: www.deviantart.com/playerbirdy
LenerdTheFox: www.deviantart.com/lenerdthefox