William- "Dada"

Hunter- "pneumonoultramicroscopicsilicovolcanoconiosis" (its a real word XD)

Hogarth: "Mumma"

Fargo: "Daddy"

Reverse: "Death"

Trap: "HELP"

Deja: "Dadda"

Valak: "Daddy"

Zephyr/Zee: "Moo Moo"

DeathTrap: "Destruction :D"

Inktrap: "....." Hes a mute :')

Silhouette: "Blood"

Twisted/Tony: "Milkie"

Precious: "PrOmEtHeUs"