Alrighty, I guess I'll list my buddy. It's time to duel! Stand up my Vanguard!
Child/Rookie
Sistermon Blanc
Adult/Champion
Sistermon Blanc Awakened
Perfect/Ultimate
Angewomon
Seems to use lances as opposed to arrows.
Ultimate/Mega
Junomon
Holy shit what happened to you Blanc you look like that thing from Digimon
Junomon Hysteric Mode
Potential Secondary Digimon
(if we go with the 'lose our Digimon and get new ones to help us get our old pals back' path, which if used in official canon, is known as selling toys. So yeah, let's call this the 'selling toys' route. You know, like Transformers.)
Child/Rookie
Numemon
Achieved bad evolution during baby stages. That sucks.
Adult/Champion
Monzaemon
Weaker than and three quarters the height of a regular Monzaemon due to prematurity, but makes a better teddy bear to hug when you're feeling down.
Perfect/Ultimate
Cho Hakkaimon
Ultimate/Mega
Minervamon
Unlikely to use in RP
Mervamon