With support system, you can make some pretty interesting pairs

Brave Lyn and Lyn!!!

Ryoma and Xander

I actually bonded a unit to my summoner and to another unit to test things out. Now it says that the unit is partners with 2 different people o_0

hector and any wyvern ;)

Valter and Eirika!

Zephiel: No hard feelings, Hector?
Hector: I will kill you where you stand.
Summoner: Maybe this wasn't such a good idea.