Red Twinkle has sparkles in her name, hence at least half of it. The other half comes from her body color. Her card's info says:
RABS-EN052:
My Little Pony Red Twinkle
LIGHT / Pony / Level 4 / ATK 1600 / DEF 1200
Cannot be Special Summoned. Once per turn: You can target 1 "My Little Pony" monster you control and 1 monster your opponent controls; destroy the "My Little Pony" monster you control, and if you do, gain control of the opponent's monster but it cannot attack while you control it.
Common