Maybe instead of all the aliens are from either the milky way, Andromeda or outside the local group, we should use some of the other know galaxies. Here's a list of them:
Antennae Galaxies
Backward Galaxy
Black Eye Galaxy
Bode's Galaxy
Butterfly Galaxies
Cartwheel Galaxy
Cigar Galaxy
Circinus Galaxy
Coma Pinwheel Galaxy
Comet Galaxy
Cosmos Redshift 7
Eye of Sauron
Fireworks Galaxy
Hockey Stick Galaxies
Hoag's Object
Large Magellanic Cloud
Lindsay-Shapley Ring
Little Sombrero Galaxy
Medusa Merger
Sculptor Dwarf Galaxy
Mice Galaxies
Small Magellanic Cloud
Mayall's Object
Needle Galaxy
Wolf–Lundmark–Melotte
Pinwheel Galaxy
Sculptor Galaxy
Sombrero Galaxy
Southern Pinwheel Galaxy
Sunflower Galaxy
Tadpole Galaxy
Triangulum Galaxy
Whirlpool Galaxy
Malin 1
