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Poseidon
About
Poseidon, also known by aliases Sei, Seidy, Posie, and Tita, is a female English-speaking VTuber associated with MythosHQ who debuted on Twitch in December 2023. She streams gaming content focused primarily on card games and is illustrated by Animashit Creative Studio and Nicnicco.
Bios from their socials (3)
Bio (from YouTube)
Goddess of the seas. 🔱 Welcome to my YouTube channel! Here you will find TCG, Pokemon, react, and gaming content! I stream a few times a week on Twitch and YouTube. Hope to see you around, mortal~ 💙 BUSINESS INQUIRIES ➡ poseidon@mythoshq.net
Bio (from Twitter)
RPG & card-gaming sea goddess of @MythosHQ! 🔱🌊 ︴🎨#Artlantis ︴パパ: @nicnicco ♡ @Maffriron ︴@GamerSupps ➡ "SHIPWRECK" 📧: poseidonmythosvt@gmail.com
Bio (from Twitch)
Hello! I am Poseidon, goddess of the seas now turned VTuber. I put the sea in TCG! 🌊🔱| Business inquiries ➡ poseidon@mythoshq.net
Character Info
Community
Hashtags
Tags
Twitch Schedule
Recent Broadcasts
Recent Activity
Introduction Video
Gallery
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Appearance
She has long blue watery flowing hair with dark green eyes and a silver trident like crown with a dark pink underwater plant attached.
Likes and dislikes
- She loves One Piece and her favorite character is .
- Poseidon loves the Iron Giant.
Miscellaneous
- was her .
- Her first handheld gaming console was the .
- Poseidon's favorite fossil Pokémon is Aurorus.
- Poseidon’s favorite Disney movie is Tangled.
Contributors
This profile is enriched by VTuber Wiki community editors. Thank you to:
Credits sourced from VTuber Wiki page revision history. Vtubie and Hololist do not expose per-page contributor data, so this list reflects VTWiki editors only.
Frequently mentioned
More VTubers from United States
Art credits
Designers, illustrators, riggers and modelers credited on the official character.
- IllustratorAnimashit Creative Studio 1.0
- IllustratorNicnicco 2.0
- Live2D RiggerAnimashit Creative Studio 1.0
- Live2D RiggerMaffi 2.0
More Info
Profile
Hello! I am Poseidon, goddess of the seas now turned VTuber. I put the sea in TCG!
2024
From 22 March to 22 April, she held a contest to decide her first new outfit design.
On 3 June, she debuted her chibi model.
On 12 July, she debuted her 2.0 model and celebrated her birthday with a subathon.
On 16 November, she debuted her second outfit with a marathon.
2025
On 14 December, she debuted her 3.0 model, but would still use 2.0 from time to time.
2026
On 16 May, Poseidon announced her affiliation with Moe Brew.
On 23 May, Poseidon debuted a new outfit.
On 6 June, Poseidon had her first collab with Thor.
On 12 July, Poseidon celebrated her birthday by debuting her 2.5 model as well as having call-ins and collabs with her friends.
Events
- On 17 August 2024, she participated to Nova Aokami's "Fated Clash" tournament, opposing competitors on Vanguard.
- On 18 November 2024, she hosted her first tournament, "POKEMON TCG V-LEAGUE".
- On 3 March 2025, she hosted her first PTCGL (Pokemon TCG Live) community tournament, sponsored by Dark Side Games LV.
Media
- PoseidonMythos - Twitch channel
- Poseidon 🔱 Mythos - YouTube channel (Main)
- Sei's Trident - Alternate YouTube channel (Reactions)
- @PoseidonMythos - Twitter/X account
- @poseidonmythos - TikTok account
- poseidonmythos.bsky.social - Bluesky account
- poseidonmythos - Instagram account
Hashtags
- #NepTUNEin - Live
- #Artlantis - Fanart
- #Pusseidon - NSFW Fanart
- #TideNotToLaugh - Memes
Statistics
- poseidonmythos - TwitchTracker stats
- poseidonmythos - SullyGnome Twitch stats
- poseidonmythos - Social Blade Twitch stats
- Poseidon 🔱 Mythos - Social Blade YouTube stats
- Poseidon 🔱 Mythos - Playboard YouTube stats