Male Byleth really does need more love. He really pulls off the "stoic mercenary" look that his character is all about. Female Byleth just has an overall worse design, with her bug sized eyes and her questionable choice in apparel. Why didn't she get the same exact clothing as Male Byleth? Anyways, no offense to the people that like her, of course.
Also, I feel like people like to neglect the male versions of Avatars. Have you ever seen the thumbnails of Byleth reaction videos on YouTube? 9 times out of 10 they use the F!Byleth render despite M!Byleth being the default. I wouldn't even complain if they use the both of them side by side, but that's not the case. It's just F!Byleth, F!Byleth, F!Byleth. Same case goes for tier lists. Sometimes they use the female alts despite there being no point in choosing them over the default male alts. It all just comes down to preference I guess, but I don't know why I'm just so easily bothered by it.
Anyway, when are we getting Kris and Kiran for Smash? Kris is the only avatar yet to make an appearance anywhere else, whether it be Smash or Fire Emblem Heroes. I always see people making art of the Avatars together, yet just about anyone who's not a Japanese artist forgets to draw them. I don't blame them since FE12 wasn't localized in the west, but it'd be cool to see some (Male) Kris art. Female Kris is fine, but I'll probably take back my words once she starts to overshadow Male Kris like F!Byleth did with M!Byleth, and F!Robin did with M!Robin at one point.
Kiran would be cool as an assist trophy, but I'll settle for M!Robin's White Mage alt getting replaced by an alt based off Kiran's color scheme. I don't see Kiran becoming a fighter anytime soon, but it'd be pretty cool if he made it in sometime in the future.