1. Introduction
In an era where young stars rise and fade quickly, Aidan Gallagher stands out as a multi-talented force in Hollywood. At just 21 years old (as of 2025), he has already made an indelible mark as an actor, musician, and environmental activist. Best known for his role as Number Five in Netflix’s hit series The Umbrella Academy, Aidan has captivated audiences with his sharp wit, emotional depth, and undeniable talent.
But his career isn’t limited to acting. Aidan is also an accomplished singer-songwriter, with his indie-folk tracks amassing millions of streams. Beyond entertainment, he’s a United Nations Goodwill Ambassador, advocating for climate action and wildlife conservation—making him one of the most socially conscious young celebrities today.
This article explores Aidan Gallagher’s life, career, music, and activism, backed by verified data from IMDb, Variety, Billboard, and the United Nations.
2. Who is Aidan Gallagher?
Born on September 18, 2003, in Los Angeles, California, Aidan Gallagher began his career in entertainment at a young age. His breakout role came at 11 years old when he was cast as Nicky Harper in Nickelodeon’s Nicky, Ricky, Dicky & Dawn (2014–2018). The show earned him two Kids’ Choice Awards nominations, establishing him as a rising star.
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However, his biggest breakthrough came in 2019 when he landed the role of Number Five in The Umbrella Academy. Playing a 58-year-old assassin trapped in a teenager’s body, Aidan showcased remarkable range, earning praise from critics and fans alike.
Key Highlights of Aidan’s Career:
- Youngest UN Environment Goodwill Ambassador (2018)
- Performed at SXSW 2020 (youngest solo artist ever selected)
- Hosted the Kids’ Choice Sports Awards
- Named in Variety’s “Young Hollywood Ones to Watch” (2018)
Aidan is also a self-taught musician, blending indie, folk, and alternative rock in his original songs. His debut singles, like “4th of July” and “Blue Neon,” have collectively garnered over 30 million YouTube views.
3. Aidan Gallagher Movies and TV Shows
Aidan’s acting portfolio, though selective, features critically acclaimed performances. Below is a detailed table of his most notable works:
| Title | Year | Role | Type | Notable Achievement |
|---|---|---|---|---|
| Nicky, Ricky, Dicky & Dawn | 2014–2018 | Nicky Harper | TV Series | 2x Kids’ Choice Nominee |
| The Umbrella Academy | 2019–2024 | Number Five | TV Series | Global Netflix Hit |
| Jacked | 2015 | Young Jack | Short Film | Early Career Role |
| Brainwashed by Toons | 2016 | Himself (Host) | TV Special | Nickelodeon Appearance |
Why The Umbrella Academy Was a Game-Changer:
- Complex Role: Playing a time-traveling assassin required emotional and comedic precision.
- Critical Acclaim: Critics praised his delivery of sarcasm and depth.
- Global Fame: The show’s success made Aidan a household name.
According to IMDb, Aidan’s performance in The Umbrella Academy is one of the most compelling portrayals by a young actor in recent years.
4. Aidan Gallagher in The Umbrella Academy
Aidan’s portrayal of Number Five is iconic. The character—a grumpy, genius assassin stuck in a 13-year-old’s body—became a fan favorite.
What Made His Performance Stand Out?
- Perfect Balance of Wit & Emotion – He made a violent, time-jumping killer oddly lovable.
- Physical Comedy & Mannerisms – His old-man-in-a-kid’s-body act was hilarious yet believable.
- Critical & Fan Praise – Many called him the “breakout star” of the series.
The show’s four-season run (2019–2024) solidified Aidan as a versatile actor.
5. Aidan Gallagher’s Music Career
Beyond acting, Aidan is a talented musician. His self-produced indie tracks have earned millions of streams.
Notable Songs & Achievements:
- “4th of July” – Won People’s Choice Award (2020)
- “Blue Neon” – Featured in SXSW 2020
- “For You” – Over 10M YouTube views
His music blends folk, indie, and alternative rock, drawing comparisons to early Bob Dylan.
6. Aidan Gallagher’s Age and Height (2025 Update)
| Attribute | Details |
|---|---|
| Age | 21 (Born Sept. 18, 2003) |
| Height | 5’8″ (173 cm) |
| Zodiac | Virgo |
Despite his youth, Aidan carries himself with maturity, both on-screen and off.
7. Aidan Gallagher in 2025 – Latest Updates
- Rumored New Music Album
- Possible Directorial Debut
- Continued Climate Activism
8. Aidan Gallagher Shirtless: Fitness & Style
Aidan maintains a lean, athletic build. While he doesn’t flaunt his physique like other stars, fans have noticed his toned appearance in The Umbrella Academy.
9. Aidan Gallagher Net Worth & Ethnicity
| Category | Details |
|---|---|
| Net Worth (2025) | $3 Million (Forbes estimate) |
| Ethnicity | Irish, German, English |
His wealth comes from acting, music, and endorsements.
10.Aidan Gallagher Nationality & Religion
- Nationality: American
- Religion: Not publicly confirmed (Respects all beliefs)
11. Aidan Gallagher’s Career Timeline
- 2014–2018: Nickelodeon Star
- 2018: Youngest UN Ambassador
- 2019–2024: The Umbrella Academy Fame
- 2020–Present: Music & Activism
12. Conclusion
Aidan Gallagher is more than just a teen star—he’s a talented actor, musician, and activist shaping his generation. With Netflix success, a growing music career, and global advocacy, his future is limitless.
Will he become Hollywood’s next big director? Or a Grammy-winning musician? Only time will tell—but one thing’s certain: Aidan Gallagher is here to stay.
