Near the end of the Rainboom Mutant Apocalypse Fic after our heroes made it to the Oasis, a scene cut to the skies where it shows the Turtle Brothers the Rainbooms in their teenage selves and Spike the Dog are gathered around with Master Splinter for a big family portrait as a way of saying, they are home once more
Fanfic goes to DarkMagicianmon
Leonardo (TMNT 2012)
Princess Twilight Sparkle (MLP FIM 2011 and MLP Movie 2017)