An emblem is a symbol that appears on an item used by a specific character, usually representing said character in some fashion; for example, Madison's emblem is the cerulean 6-petal flower and her sword behind it, whereas that of Ann Star is 5 golden stars.
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Alaska
A cyan skull with heart-shaped eyes
Ammo Aaron
2 guns crossing behind an explosion
Amy
A silhouette of Amy's head with a white smile
Angus
A black bull with completely red eyes
Ann Star
4 golden stars and a big dandelion star
Assassin Servant
A picture of her head with a blacked-out face and kunai crossing behind
Becky
A silhouette of Becky's head with a white smile
Betty
A silhouette of Betty's head with a white smile
Brown Cow
A cartoon brown cow's head
Captura Lovelock
A pink heart-shaped lock
Cattle
Cattle's arm with a rocker hand sign
Chloe
A silhouette of Chloe's head with a white smile and a red bow
Dark
A dark purple circle above a dark purple crescent
Dollmaker
A close-up to Dollmaker's eyes
Earth
An orange rock
Eclipse
A cracked eclipse paired with Eclipse's eyes
Eileen
A bald eagle head with green eye makeup and Eileen's signature head accessory
Electric
A yellow lightning bolt
Ember
A pair of Ember's eyes
Emily
A silhouette of Emily's head with a white smile
Emma
A silhouette of Emma's head with a white smile
Eve
A silhouette of Eve's head with a white smile
Faith Rose
Similar to Fire's, but the flame is bright pink with a light blue heart in it