Sri Nārāyana Guru (Malayalam: ശ്രീ നാരായണ ഗുരു) (1856–1928), also known as Sree Nārāyana Guru Swami, was a Hindu saint, sadhu^{[Full citation needed]} and social reformer of India. The Guru was born into an Ezhava family, in an era when people from backward communities like the Ezhavas faced much social injustices in the caste-ridden Kerala society. Gurudevan, as he was fondly known to his followers, led Reform movement in Kerala, revolted against casteism and worked on propagating new values of freedom in spirituality and of social equality, thereby transforming the Kerala society and as such he is adored as a prophet.

Nārāyana Guru is revered for his Vedic knowledge^{[citation needed]}, poetic proficiency^{[citation needed]}, openness to the views of others^{[citation needed]}, non-violent philosophy^{[citation needed]} and his unrelenting resolve to set aright social wrongs. Nārāyana Guru was instrumental in setting the spiritual foundations for social reform in today's Kerala and was one of the most successful social reformers who tackled caste in India. He demonstrated a path to social emancipation without invoking the dualism of the oppressed and the oppressor.

S. Jithesh is a former vice-chairman of Kerala Cartoon Academy.

He has initiated and popularised 'Super-Speedy Cartooning' through his On the spot infotainment Cartoon Stage Shows-Varayarangu. His Varayarangu is a blend of poetry, anecdotes and socio-political satire with high speed drawing which explores the performing level possibilities of fine art. Sketching of more than thousand celebrity caricatures relentlessly with a lightning pace and satirical commentary is the major attraction of his cartoon stage shows. He is acclaimed as the world's fastest cartoonist because of his ability to sketch 50 celebrity caricatures within 5 minutes.

He has conducted many cartoon demonstrations of famous personalities. He is known for his grotesque yet hyper-realistic distortions of the facial features of celebrities, which he renders primarily with calligraphic and sketch pen. The hallmark of Jithesh's cartoon is their merciless attack upon the corruptions and other social evils prevailing in the society through his infotainment Cartoon Stage Shows.