The MSN-04II Nightingale is a fictional mobile suit from the anime series 'Mobile Suit Gundam' (Kidou Senshi Gundam), specifically featured in 'Mobile Suit Gundam: Char's Counterattack - Beltorchika's Children.' Piloted by Char Aznable, the Nightingale is a highly advanced and formidable mobile suit developed as a successor to the MSN-04 Sazabi. Its imposing design, heavy armament, and powerful psycommu system make it a symbol of Char's leadership and ambitions within Neo Zeon, playing a pivotal role in the conflict against the Earth Federation.