I think it's Fairly Obvious that Magus hangs around with Spekko the only other Being in all of time that has comparable Magic Skill and Life experiance.

Frog obviously is Human again and is now called Glenn. He probly serves his King as a Loyal Soldier.

Chrono & Marle Obviously are getting Shacked up

Lucca and Robo hang around in her Lab trying to creat new machines.

Ayla had to go Back and Rule her Village and keep Keno in line.