India, May 26 -- Content creator-actor Bhuvan Bam has officially trademarked one of his best-known characters from his series, BB Ki Vines, Titu Mama, recently. "We've been trying hard to get trademarks for all our characters because of the vision we have for our BB Ki Vines universe. This is the first step towards that, and this universe is like the Avengers for me," Bam tells us....