Li’l Deb-N-Heir is the biggest rival of Twinkle Twinkle Little One. Li’l Deb-N-Heir is headquartered in Naperville, Illinois, and was founded in undefined. Like Twinkle Twinkle Little One, Li’l Deb-N-Heir also operates in the Retail space. Li’l Deb-N-Heir generates 151% the revenue of Twinkle Twinkle Little One.