Benn Lee Jordan (born October 28, 1979) is an American musician operating under pseudonyms. Since 1999, his music has been released under the names of the Flashbulb, Acidwolf, Human Action Network, and FlexE. He runs a YouTube channel, covering acoustic science and other musical topics.

Jordan was born in 1979 and raised in West Englewood, Chicago, by his mother and grandparents. An only child growing up in a derelict neighborhood, he taught himself guitar as a child. Due to being left-handed and not having lessons, he learned to play a right-handed guitar upside down, which he continues to do. He began his music career releasing instrumental music on small labels in the United States and Europe in 1996 under various aliases, most notably the Flashbulb. In addition to releasing music and touring, he began to work as a freelance composer for various television and film agencies.

As the Flashbulb, Jordan typically releases electronic or cinematic styled music. His style differs strongly between albums, but they all have a cohesive bond tied around intricate drum programming, jazz-influenced melodies, and an array of live instrumentation. He also often records his melodies through MIDI-synced guitars. His guitar style and skill have gained attention because he typically plays the guitar strung backwards, and makes heavy use of fast sweeping and tapping. More recent Flashbulb albums have featured violinist Greg Hirte, who is also featured heavily on the Flashbulb's 2008 album, Soundtrack to a Vacant Life. This album is, as Jordan stated in a 2008 interview, a step away from the breakcore genre. He also said that this step is likely to be a permanent trend in the direction of his music, a move that was supported by releases under his own name, such as Pale Blue Dot and Louisiana Mourning. However, the 2012 album Hardscrabble represents a return to the harder electronic music heard on releases like Kirlian Selections or Flexing Habitual. The record is named for an area in the Bridgeport neighborhood of Jordan's own Chicago.

Under other aliases, his Acidwolf and Human Action Network aliases feature retro acid music that uses old drum machines such as the TR-808 and relies heavily on the melodies of the TB-303. Tracks made under the FlexE alias tend to be laid-back and classic acid. According to him, he showcases his more fundamental, classical, and personal pieces under his own name, Benn Jordan.^{[citation needed]}

Jordan has seen much success in composing for television and film. In 2006 he composed the original score for the Josh C. Waller short The Nail.

In 2006, Jordan's music ("Passage D" from his album Kirlian Selections) was featured in Dove's "Evolution" promotional campaign for its Campaign for Real Beauty website, which has drawn a large amount of attention from the mainstream media. The campaign took the commercial film winner at Cannes, as well as many other prestigious awards. In addition, Jordan was nominated for a 2007 London International Award for the "Best Use Of Music" category; he went on to win the ceremony's grand prize. In 2008, he was nominated again at the London International Awards for "Best Use of Music," although he did not take the grand prize. In 2008 he was also a Webby Award nominee and took the Grand Prix at the Cannes Film Festival. In 2008, Jordan had completed work in branding, having created stings and trademark sounds for companies such as Dove and Verizon.

In July 2012, he released an original score entitled The Universe, which was commissioned by Chicago's Adler Planetarium for a new interactive exhibit dedicated to the evolution of the universe. In 2013, he was commissioned to score their show entitled "Cosmic Wonder". In 2016 he composed the soundtrack to the Adler Planetarium's sky show Planet Nine.

Jordan composes for film, television, and gaming through various agencies; he also owns and operates his own production and recording facilities in Marietta, Georgia.