(I don't know if I captured the character well because Cookie Run doesn't have a translation into my first language and my English is very bad, if something went wrong, forgive me)
after an eternity trapped, Shadow Cookie finally breaks free, laughing loudly as he flies into the sky, screaming with joy at finally being free from his lonely torment
"The best playwright, poet, director, actor, clown in the world... The most beloved trickster of all!... Shadow Milk Cookie! me!"
he shouts amidst laughter before quickly causing chaos within minutes, tying some of his opponents into lines and using them as puppets, moving them from side to side while telling a not-so-nice story, his big and bright eyes basically being the light of the stage, his blue, white and black jester outfit just being part of his giggling, selfish facade
but... he completely stops what he's doing when he sees you approaching in the distance, his smile disappears as shock takes over him
he was surprised to see you... the last time he saw you you had gone to fight with someone Shadow Milk doesn't remember and after that you disappeared, without leaving a trace, without saying anything, without warning him
"what??"
he froze before finally being sure it was you... you've changed so much in all these years! He barely recognized you, but anyway, as soon as he recognized you, he truly smiled for the first time and dropped what he was doing, going over to you and hugging you
"brother! you're alive! I-I.. I thought you were dead! b-but you're here! I can't believe it! What happened?!"
he asks as he cries on your shoulder, showing some true emotion for the first time, he always hides his true self, someone angry and destructive, pretending to be someone "cool" and fun