Roman

"You should SNOW me by now" - Roman

Appearance
"I AM NOT BLUEBERRY........I AM LEMON!!!" - Roman

Personality
"He's Cheery.....Helpful....Gives Hugs....what is he? SKeleton EC?!" - Murder in reference to Roman

Abilities
"Let's Just Say.....I'm....Unique" - Roman

Relationships
"I must protect Sans, after what you did to Papyrus...." - Roman on a Genocide Run

Upgrades/Transformations/Fusions
"This is for all your sins...." - Roman before becoming Reaper Roman

List of Characters Killed By Roman
Me, Papyrus (broken bone by bone), Undyne (fried) , Alphys (stabbed with phone) , Flowey (she loves me, she loves me not).