One positive thing is at least your army has a backstory.
The backstories of all my various Ig armies and ork army can all be summed up in a sentence
IG#1 - steel legion that wear gray because they live in a city
IG#2- from a planet with a massive surplus population, so they ship them off with very little training to be killed.
IG#3- penal legion or something
IG#4- some mercenaries that joined the SL or something
ork- orks, who paint themselves blue
Nobody expects the Imperial Inquisition!
Accuracy is directly proportional to enemy numbers
Fuchismo, god of potatoes!
Spuds for the spud god!