Digital Art in NIGHT ARTISTS!

What kind of pair should it be. Top to bottom (1 is top and 6 is the bottom

I drew this silly today

I drew a bird today

I drew this and their name is Jack

I drew this cuz I was bored and their name is Andrew

I drew a bird

I drew this today cuz I was bored

I drew this today and their name is Olive

I drew this today and they look kinda silly