Lectro x Cherrix refers to a popular fan-pairing (ship) between two characters from the Friday Night Funkin' (FNF) modding community, specifically associated with the Deadly Muzix universe.
Lectro: A character known as a member of the "Deadly Muzix" gang. He is often depicted with Electro Swing-inspired abilities and a tragic backstory involving his upbringing in an orphanage. Cherrix: Another character within the same modding circle. While less biographical detail is available on official wikis, she is consistently paired with Lectro in community art and animations.
