Caramel Arrow: Cara
Pure Vanilla: Nilly
Dark Cacao: 'Cao
Affogato: 'Gato
Licorice: Lico
Poison Mushroom: Shroomie
Pomegranate: Pom
Red Velvet: Red
Dark Choco: Choco, but is also open for being called Bud or Buddy. But only if you're good friends.
Hollyberry: Holly
Gingerbrave: Ginger
Espresso: Es, Essie, 'Spresso, Cult Daddy (He hates this one XD)
Madeleine: Maddy
Chilli Pepper: Peps
Wildberry: Berry
Crunchy Chip: Chipsy (He hates this one), Crunch, also fine with being called Bro by his friends.
Clotted Cream: CC, although almost no one calls him this
Dark Enchantress: Auntie, Aunt 'Chanti (Doesn't like being called that, only allows the children to do it in private), Granny (absolutely despises this one, will kick your ass if you dare use it)
What are your Headcanons for nicknames?