Celebrities like Geri Halliwell and Ashlee Simpson have pretty normal-sounding names, but when it comes to their offsprings, things no longer remain very normal.

Former Ginger Spice Haliwell named her daughter Bluebell Madonna, and singer Ashlee Simpson named her son Bronx Mowgli. Actor Sylvester Stallone's 35-year-old son is named Sage Moonblood.

Which leaves us to wonder what actually inspires these celebrities when it comes to naming their kids. Could it be possible that weirder is better?

After all, there is a fine line between weird and unique.

Click on the photos for more weird names that celebrities give their children.