Warframe’s Hidden Heroes: The 6 Best Side Characters Worth Your Attention

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Valencia

Guide Curator at GladiatorBoost

I’m the voice behind the blogs here at GladiatorBoost—diving deep into the gaming world to bring you guides, updates, and stories that actually help (and maybe even entertain a little). Whether it's breaking down the latest boosts or highlighting cool moments in your favorite games, I’m here to make the digital grind a little more fun.

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Across its 12-year evolution, Warframe has built a universe teeming with eccentric characters, warring factions, and complex lore. While much of the focus centers around the Tenno and major cinematic quests, it’s often the side characters—those who don’t always stand in the spotlight—who leave lasting impressions. Whether they bring comic relief, surprising depth, or serve as gameplay enablers, these characters enrich the Warframe experience in unforgettable ways.

Let’s dive into six of the most impactful and beloved side characters in Warframe, each adding a layer of charm and meaning to this ever-expanding sci-fi world.

1. Clem – The Ultimate Underdog

Clem is the epitome of a cult classic. Originally introduced through the light-hearted quest A Man of Few Words, Clem is a Grineer defector with a limited vocabulary—only able to say “Clem”—yet manages to convey more personality than some mainline characters. His unwavering loyalty, childlike curiosity, and mutated independence from Grineer brainwashing make him a fan favorite.

Not only does Clem appear regularly in weekly missions, allowing players to earn his blueprint and summon him in combat, but he’s also become something of a community mascot. You’ll often find him hanging around relays near Darvo, one of the few who can understand him.

2. Baro Ki’Teer – The Void’s Most Stylish Salesman

Baro Ki’Teer is Warframe’s enigmatic Void Trader. Every other weekend, he appears on a random relay, offering a rotating selection of rare mods, cosmetics, and exotic weapons in exchange for Ducats and Credits. While his lore involvement is minor—he’s only required for the Sands of Inaros quest—his impact on gameplay is significant.

Baro’s arrival is an event in itself. Content creators and players eagerly await his inventory each time, speculating about meta-changing items or long-lost cosmetics. His pompous personality and love for luxury only add to his mystique.

3. The Cephalons – Digital Minds With Big Personalities

Cephalons are AI entities derived from digitized human consciousness, and Warframe has introduced several of them, each with unique quirks:

• Ordis is your main Cephalon aboard the Orbiter—sarcastic, broken, and deeply loyal.

• Cephalon Cy pilots your Railjack, providing sharp battlefield commentary.

• Cephalon Simaris manages the Sanctuary, obsessed with knowledge and data preservation.

• Cephalon Suda, a syndicate leader, is cold and analytical, offering powerful syndicate weapons.

Though only Ordis and Cy are mandatory for progression, exploring the full Cephalon roster offers insights into Warframe’s technological lore and some useful gameplay mechanics.

4. Kahl-175 – The Grineer With a Conscience

Kahl is a Grineer soldier introduced during The New War, who later takes the spotlight in Veilbreaker. Defying Grineer programming to rescue his brothers, Kahl embodies a rare form of compassion within the game’s traditionally antagonistic faction.

As a playable character during specific missions, Kahl offers a grounded, human perspective in contrast to the high-concept Tenno saga. Weekly missions with Kahl allow players to farm Archon mods and build new content like the Styanax Warframe. His development across quests humanizes the Grineer in a way no other narrative arc has.

5. The Cavia – Tragic Curiosities of the Void

First encountered during Whispers in the Walls, the Cavia are remnants of failed Void experiments. Comprising Fibonacci, Tagfer, and Bird 3, these characters inhabit the Sanctum Anatomica and slowly reveal their backstory through ongoing dialogue and exploration.

Initially introduced as little more than bizarre creatures, the Cavia become a touching part of Warframe’s deeper lore, particularly once players decode their speech and uncover their traumatic past. Voiced by the acclaimed Neil Newbon, Fibonacci’s performance in particular adds gravitas and humanity to this strange trio.

6. The Protoframes – Echoes of Humanity in 1999

With the Techrot Encore expansion in Warframe: 1999, players are introduced to new Protoframe characters: Kaya, Minerva, Velimir, and Flare. Residing in the cyberpunk mall of Höllvania, these figures expand on the lore of the Protoframes, showcasing more grounded, emotional narratives.

Though not all of them have had their major narrative arc yet, they provide services, dialogue, and clues about upcoming content. Flare’s dual identity as both a punk rock icon and Void-touched warrior, and Kaya’s endless curiosity, make them standout additions in Warframe’s latest timeline.

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Final Thoughts

Warframe’s strength doesn’t lie solely in its fast-paced gameplay or modular gear—it also shines through its vast cast of compelling side characters. From lovable oddballs like Clem to mysterious newcomers like the Protoframes, these figures add layers of emotion, humor, and depth to the game. Taking the time to explore their stories can transform your experience from a shooter to a saga.