Best parmatama with letter C
In Jainism, the term "Parmatma" refers to the supreme soul or liberated soul (Siddha). The Tirthankaras, who have attained liberation, are often referred to as Parmatma. Among the 24 Tirthankaras, the one whose name starts with the letter "C" (as per English transliteration) is Chandraprabha.
Chandraprabha Swami is the 8th Tirthankara in Jainism. He is revered as a Parmatma who achieved liberation and is worshipped by Jains for his teachings and virtues.