Batgirl and Supergirl (with a surprise visit from Harley, Ivy, the Joker, Killer Croc, and many more)

#1 Balancing act

#2 Batgirl 1-28-11

#3 Batgirl MegaCon 2011

#4 Batgirl Supergirl Commission 1

#5 Batgirl Supergirl Commission 2

#6 Batgirl Supergirl Commission 3

#7 Batgirl the Batwoman

#8 Batgirl Watercolor

#9 Supergirl 1-5-11

#10 Supergirl 8-4-11

#11 Cloud Chillin'

#12 CBS Supergirl

#13 Batgirl Year One

#14 Supergirl

#15 New Batgirl!

#16 Supergirl Doodle

#17 PSC: Supergirl

#18 Supergirl Batgirl Watercolor

#19 Supergirl Corner

#20 Supergirl Watercolor

#21 Supergirl (yet again)

#22 Watercolor: Supergirl

#23 Watercolor: Supergirl

#24 Watercolor: Batgirl and Supergirl

#25 Watercolor: Batgirl and Supergirl

#26 Watercolor: Batgirl

#27 Watercolor: Batgirl

#28 Watercolor: Batgirl of Burnside

#29 Watercolor: Supergirl

#30 Watercolor: TV Supergirl

#31 Yes!

#32 Supergirl Batgirl 1

#33 Supergirl Batgirl Comic

#34 Supergirl Batgirl Comic 2

#35 Merry Christmas from Batgirl and Supergirl

#36 Merry Christmas again from Batgirl and Supergirl

#37 Happy Halloween from Batgirl and Supergirl

#38 Another Merry Christmas from Batgirl and Supergirl

#39 Batgirl and Ret Lantern Supergirl Comic

#40 Batgirl (of Burnside) Supergirl Comic

#41 Happy Halloween from Batgirl and Supergirl 2014

#42 Merry Christmas 2014 from Batgirl and Supergirl

#43 Batgirl and TV's Supergirl Comic

#44 Merry Christmas 2015 from Batgirl and Supergirl

#45 Batgirl Supergirl Election Comic

#46 A Harley Ivy Christmas pg 1

#47 A Harley Ivy Christmas pg 2

#48 Batgirl Supergirl Comic (Christmas Vacation)

All art by Mike Maihack (https://mikemaihack.deviantart.com/), author of (among other things) Cleopatra in Space (http://operationspacecat.com/cleopatra/) and the Batgirl & Supergirl comic (http://operationspacecat.com/comics/batgirl-supergirl/).