Bad Ass boys names

A classic in its native Scandinavia, Axel has a cool rock 'n' roll flavor in the US, thanks to Guns N' Roses' Axl Rose (born William). With its distinctive letter 'x', it has an effortlessly cool vibe about it, and is currently growing in popularity.

Brock is a rock solid name, with a touch of preppy sophistication. It ranked solidly in the 200s-300s from 1975 until 2014, but has since tumbled a bit.

Gage was part of the craze for one-syllable surnames, with associations to tasty green gage plums and the mathematical gauge.

The kind of nouveau macho name favored by NRA-leaning parents. Killers' frontman Brandon Flowers gave it to his son in 2009. Gunnar is another spelling that makes the name a bit less militaristic.

You can ride one, you can use it as a baby name – or, as is often the case, both! Harley is currently trending up for girls and down for boys in the US, although it remains predominantly masculine in the UK. A lesser-used -ley ending choice for boys, Harley has a current sound but an old-school biker appeal.

Aviation enthusiast John Travolta put this fast-paced name in the lexicon when he used it for his late son, and George Lucas followed suit.

Max was derived from Maximilian, a Latin name that originated from the Roman family name Maximus. The character name Max in the children's classic Where the Wild Things Are had an impact on baby namers. Max is a widely used name internationally.

Actor Pierce Brosnan brings a strong helping of charm to this name. Pierce was actually a popular name long before Mr. Brosnan came along, from 1880 to the end of the 1930s.

Now that many dogs are named Max, it's safe to use this sleek, solid, regal name again for your child. And with the charm of its final x, its regal meaning, and its offbeat simplicity, Rex is definitely one to consider.

Madonna did much to polish up the image of this old-neighborhood Italian choice when she picked it for her son with British director Guy Ritchie, and several years later it was also used by Rose Byrne and Bobby Canavale for their son. It now feels much more mainstream than many celebrity baby names, sharing the quirky appeal of some other so-far-out-they're-in baby names as Bruno and Hugo.

Ryder, one of the current favorite er-ending boys’ names, has been in the spotlight since Kate Hudson and her rocker husband Chris Robinson chose it for their son in 2004. Very popular in several provinces of Canada, Ryder was chosen by John Leguzamo for his son and adorns Boy Meets World star Ryder Strong.

Spike is part mid-century nickname-name, ala Buster or Buck, and part word name, with an all-over cool creative dude feel thanks to directors Spike Lee and Spike Jonze. Mike Myers named his son Spike. That's right: Spike and Mike. Spike qualifies as one of the distinctly American names.

Titus, once seen as a slightly forbidding Roman, New Testament, and Shakespearean name, was brought back to contemporary life in the USA by the TV series Titus 2000, increasing in popularity along with other revived ancient names like Linus and Silas.

As Tyler has begun to recede, a number of parents, including the Wayne Gretzkys, have cut straight to the livelier short form.