ENA, also formatted as ƎNA, is a Peruvian avant-garde animated comedy series, created by Joel Guerra and published on YouTube and Newgrounds. The series combines 2D and 3D animation and draws inspiration from many pieces of surrealist media and worldwide culture, particularly from Peru and Japan. It is set in a strange, almost post-apocalyptic world populated by bizarre characters and creatures, with a surreal and comedic tone.

ENA (series) also has a PG rating

The series follows characters named Ena, with her having different appearances in each season. Other characters include the deuteragonists Moony (Season 1) and Froggy (Season 2), as well as minor characters like Robert and Brick Frog, who act as NPC-like characters in short interaction segments.

The episodes vary in their formatting. The first episode, Auction Day, is presented as an animated episode using dialogue and humor, with interactions between Ena and her friend Moony. Starting with Extinction Party, the episodes adopt a first-person computer game aesthetic from Ena's perspective. Temptation Stairway introduces many different locations within an episode, such as the Hourglass Medow and items that further progression into these locations, such as the Turron

Ena's design was first revealed on Feburary 3rd 2021 on Joel Guerra's Twitter.The post showed Ena's design and explained that Joel wanted to create "characters with strange shapes in a very colorful world where nothing makes sense". Due to the positive reception, another image featuring Ena and Moony was posted, with plans to use the concept in the future. Ena's initial name, ƎNA, was later revealed.On May 2nd, more concept art featuring Ena and Moony was shown, along with the announcement of a short animation introducing them.