What is this? Part 4

What is this? Part 7

What is this? Part 9

Guess more letters. This time I'd like to give someone else a chance to guess.

Happy bday @KoolCirby

my favorite unc <3

nah but fr being your friend for all these years has been a blast thru all the ups and downs

hope you have a good bday my man :3

What is this? Part 3

Happ birthday kool i hope you enjoy the stock cake

What is this? Part 6

What is this? Part 10

Since no one is guessing any letters that could be in the text below the image, I'm just going to have to reveal it bit by bit.

Happy Birthday Cirby! You're a Kool Fella

What is this? Part 11

More of the thing I've been revealing.