
Via Neatorama: "Tattoos 4 Toddlers was founded in 2005 by acclaimed body-artist and Michigan entrepreneur Tom Stone to serve the youth tattoo market."
From the Frequently Asked Questions section:
"What is the appropriate age for a tattoo?
"Our critics would have you believe it is 18 years or older. However, with our patented needle free system we've been able to tattoo children as young as 6 months old."
Awesome!