
Thirumangai Alwar has sung in praise of Bakthavatsala Perumal.
There is an interesting story behind the mangalasasanam to this perumal. When Thirumangai Mannan came to visit, perumal was busy with Thaayar and didn't notice him. Seeing this Thirumangai Mannan returned back to Thirukadal Mallai. Perumal was asked by Thaayar to go and get a song in praise of him from Thirumangai Mannan. So did our perumal and got two songs on him at Thirukadal Mallai.
Following is one of the song sung by Thirumangai Alwar
"Poondavattham Pirar Kadainndhu Thondupattu
Poynnnnoolai Meynnoolen Renrumodhi
Maandu Avattham Pogaadhe Vamminenndhai
Envanangkap Paduvaanai Kanangkaletthum
Neendavatthaik Karu Mugilai Emmaanrannai
Ninravoor Nitthilatthaith Thotthar Solai
Kaandavatthaik Kanalerivaay Peyvitthaanaik
Kandadhunnaan Kadalmallaith Thalasayanatthe!"
Poynnnnoolai Meynnoolen Renrumodhi
Maandu Avattham Pogaadhe Vamminenndhai
Envanangkap Paduvaanai Kanangkaletthum
Neendavatthaik Karu Mugilai Emmaanrannai
Ninravoor Nitthilatthaith Thotthar Solai
Kaandavatthaik Kanalerivaay Peyvitthaanaik
Kandadhunnaan Kadalmallaith Thalasayanatthe!"