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.

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.

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.

Evreux is a distinguished masculine name of French origin, derived from the name of a historic commune and city in Normandy, France. Pronounced roughly as 'ev-ruh,' this place name carries aristocratic connotations, as Evreux was historically an important countship and later dukedom in medieval France. The House of Évreux was a noble lineage that branched from the Capetian dynasty. As a personal name, Evreux is exceedingly rare, appealing to parents seeking a truly distinctive name with French heritage and historical depth. The name evokes images of Norman architecture, French countryside, and noble heritage, making it a sophisticated choice with built-in cultural significance for those with French connections or appreciation for unique European names.

The name of a 7th to 8th century Italian monk who rebuilt the monastery at Monte Cassino. In Italian, he is called Petronace.

Daxx is a modern, unconventional masculine name with a bold, edgy quality. While not having historical roots in traditional naming practices, it appears to be a contemporary invention that follows the trend of short, impactful names with strong consonant sounds. The double 'x' ending gives it a distinctive, somewhat futuristic appeal. Daxx might be considered a variant of more traditional names like Dax (which itself originated as a surname or place name) or could be completely unique. The name remains quite rare, appealing to parents seeking something unusual and striking for their sons. Its brevity and strong sound make it memorable, aligning with current naming trends favoring short, punchy names with unusual spellings.

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.

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.

Dox may sound like a modern invention but it actually has a notable historical bearer. Malagasy poet Jean Verdi Salomon Razakandrainy was known mononymously as Dox, inspired by a nickname he received in art school.

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.

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.

Max, with something X-tra.

Animal names are booming, but this is one that's never been used — although Boaz, which means "ox" in Hebrew, is starting to see more use. With its connotations of strength, teamwork and perseverance, and cool X sound, well, why not? It would work especially well for a child born in the Chinese Year of the Ox (February 2021-January 2022). If you need a longer version an obvious option is Oxford, but there's also Oxley, Oxton, or a slightly different sound like Oakley or Oswald.

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.

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.

Phenix represents a modern, alternative spelling of 'Phoenix,' derived from the mythological bird that cyclically regenerates from its own ashes. This spelling variation maintains the powerful symbolism of rebirth, renewal, and resilience associated with the mythical creature while offering a distinctive twist. Though less common than the traditional Phoenix spelling, Phenix has gradually emerged as a masculine name choice for parents seeking symbolism with a slightly unique presentation. The name carries associations with transformation and immortality across numerous cultures, from ancient Egyptian to Greek and Chinese mythologies. As a contemporary given name, Phenix appeals to parents drawn to names with profound symbolic meaning and distinctive character while maintaining recognizable pronunciation.

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.