1.

IASWABTBJ

2.

unknown

3.

unknown

4.

son_of_a_spitz

5.

marblethecorg

6.

iknewiknewbetter

7.

mitthundeliv

8.

acorginamedwilbur

9.

suki_the_regal_shiba

10.

theadventuresofwallyandwinnie

11.

unknown

12.

contractormissy

13.

stanthemanuk

14.

happilie

15.

unknown

16.

mikespetcare

17.

bauwowworld

18.

beta_corgi

19.

burtreynolds_corgi

20.

unknown

H/T BoredPanda