Tarco

Tarco is a wolf-like half-human that was introduced as a new character in Re:Zero Lost in Memories when Emilia and the rest of her camp, including Wilhelm, was transported fifty years into the past where the Demi-Human War was ongoing.

Appearance
Tarco was a middle-aged man with bushy white eyebrows and has long grey hair with wolf-like ears on his head and adorns a braid on his right side. He wore a light armor with fur on the inside and a heavy shoulder guard on his right shoulder. He also adorns himself with a long blue cape.

Abilities
Master Swordsman: Tarco is capable of using dual swords during combat.

Beastification: Tarco, like Garfiel he can use his ancestral Demi-Human blood to transform himself into a tall Grey wolf with massive and thick limbs as well as razor-sharp fangs and claws which can easily rip a man or even a fully grown earth dragon in two with a single swipe. Tarco's physical strength in his wolf form was increased exponentially. He can also use his swords during this form.
 * Resonance Wave: In this form, he unlocks an ability that unleashes a violent burst of destructive mana from his mouth, similar to Ricardo's.

Demi-Human Physique: Tarco demonstrates a variety of enhanced physique and physiology due to his Demi-Human blood.
 * Inhuman strength and speed: Due to his Demi-Human blood, Tarco is extremely strong.
 * Enhanced Sense of Smell: The potency of his sense of smell was also far greater than a regular human's. He can distinguish the scents of separate individuals from a considerable distance.

Trivia

 * Tarco's Alias was Dog Demon, similar to Wilhelm's Nickname "Sword Demon".
 * There have been fan theories that Tarco may be a distant relative to either Garfiel or Ricardo given to how similar to either their abilities or their appearance.