Mayo (Artist for Stahl,Sheena and Sully) works on FE Cipher and has a tumblr (I know cuz i follow them)

Tiki's artist (Ito Noizi) worked on the Melancholy of Haruhi Sumiziya

HACCAN (artist for Effie, Hawkeye, OG Hinoka and Nephenee) drew Alm's dlc art in Awakening

Kita Senri (Artist for both Tellius games) returned for 2/3 Ikes along with drawing Ryoma, Cecilia and Karel

Frederick's artist is the artist for the ace attorney series (and it's funny bc Freddy's va voices Miles Edgeworth of said series)

Cordelia's, Hinata's, Oboro's and Fem!Robin's artist drew the art for Summer Wars

FE8's artist Wada Sachiko drew Marth, Barst, Virion and several others, but none from her debut game (also she is the artist for this lovely woman)

And finally, Fe6's Artist, Yamada Kotaro returns for Narcian along with 3/5 Lyns and Horse Chrom. 

This has been a pointless information moment with omochao