If Jimi Hendrix's last name was too tame for you, you could add an extra X to the end -- enough parents did so in 2017 to make this one of the fastest-rising boys' names.

Common as a surname, not advisable for a first.

Basque form of John

If you can name a boy Max instead of Maxwell, or Jax instead of Jackson, then why not Brax instead of Braxton? Over 3300 boys were named the trendy Braxton in the US in one recent year, but snappy short form Brax is a newcomer used for only a handful of babies. Brax may feel more popular than that, though, as many Braxtons are called Brax.

The Mordax is a species of scorpion found in North America. An offbeat nature name with the punchy "X" factor, Mordax could be a choice for parents looking for something beyond Max, Phoenix, Knox and Maddox.

Radix is a Latin word meaning "root" that was adopted as a name — in the form of Raddix — by Cameron Diaz and Benji Madden for their daughter, born in 2020. The following year, both Raddix and Radix debuted on the charts for boys.

A cool looking choice, adjacent to Matrix, Max, Matias, and Mack, Matix likely emerged as a modern spin on Maddox, a Welsh surname meaning "son of Madoc" or "son of good fortune". It has been appearing in the US charts since 2005, around the time Maddox began to trend upwards. It peaked in 2010 when it was given to nearly 50 boys, while a recent year saw it given to 9.

If this name makes you think of Victorian novels, it's because Fairfax was part of Mr Rochester's name in Jane Eyre, and the surname of a minor character in Jane Austen's Emma. It has a distinctly aristocratic feel, despite its straightforward meaning. Fairfax is also a city in Virginia.

Felex is a masculine name that serves as a variant spelling of Felix, which originates from Latin meaning 'happy,' 'fortunate,' or 'lucky.' This alternative spelling with an 'e' instead of an 'i' gives the traditional name a distinctive modern twist while maintaining its classical roots. While much less common than the standard Felix spelling, Felex offers the same positive connotations with a unique presentation. The name has ancient roots, as Felix was popular among early Christians and was borne by several saints and popes. Parents might choose this spelling variation for its familiar sound but distinctive appearance, combining classical meaning with contemporary individuality. The name's optimistic meaning continues to make it appealing across cultures.

Felyx is a masculine name that appears to be an alternative spelling of Felix, which derives from Latin meaning 'happy,' 'fortunate,' or 'lucky.' This distinctive spelling with a 'y' gives the traditional name a modern, edgy update while maintaining its pronunciation. The variation follows contemporary naming trends that substitute 'y' for 'i' to create unique versions of classic names. Felyx remains quite uncommon compared to the standard Felix, which has enjoyed steady popularity across many Western countries for centuries. The name carries positive connotations through its meaning and historical associations with several saints and notable figures. Its distinctive spelling helps it stand out while still benefiting from the recognition and positive associations of its traditional counterpart.

If you want to honor your grandfather Hal but can't work up much enthusiasm for his full name Harold, consider the more stylish (if a bit pretentious) capital of Nova Scotia.

Troix is an unusual masculine name with French influence, directly derived from the French word for the number three. As a given name, it's extremely rare, likely chosen for its distinctive sound and minimalist yet sophisticated quality. The 'x' ending creates a stylish contemporary flair while maintaining its French pronunciation (typically "twah"). The name may appeal to parents who have a special connection to the number three, are drawn to French-inspired names, or simply appreciate its brief, modern aesthetic. Troix might also be chosen for a third child or someone born in March (the third month). Its rarity ensures individuality for anyone bearing this name.

A updated spelling of stylish boy name Knox, which could be considered superfluous and totally cool, depending on your perspective. More than 60 boys were given this name in a recent year in the US: the highest number on record.

Phenex is a demon known as one of the Great Marquis of Hell, ruling over legions of demons. He is known for science and poetry.

Brendan, with an X factor.

A rarely-used place name (probably because of the last three letters), Essex was the ancient kingdom of the East Saxons and is now a county in England. The singer David Essex used it as his stage surname, and reality TV couple JP and Ashley Rosenbaum used it for their daughter's name, though few have followed suit.

Arnoux is a masculine name of French origin, derived from the Germanic name 'Arnold,' which combines elements meaning 'eagle' and 'power.' This distinctive variation maintains the noble connotations of its root name while offering a unique French flair with its unusual ending. Though rare in English-speaking countries, Arnoux has historical significance in France and French-speaking regions. The name carries an aristocratic quality and projects strength and dignity. While not commonly found in contemporary naming statistics, Arnoux might appeal to parents seeking a distinctive name with historical roots and European sophistication.

Allex is a masculine name that appears to be a variant spelling of Alex, which is itself a shortened form of Alexander. The name Alexander originates from Greek elements meaning 'defender of men.' This alternative spelling with the double 'l' gives the traditional name a contemporary edge while maintaining its familiar pronunciation. Allex carries the strength and historical significance of its parent name but stands out visually as more distinctive. While not as common as Alex or Alexander, this variant offers a subtle way to differentiate the name without straying far from tradition. The name conveys qualities of protection and leadership through its etymological roots. Its brevity makes it practical and straightforward, appealing to parents who appreciate classic names with a slight modern twist.