--- title: "yxji (@mryxji) — Bitcoin Obama | Bitcoin Obama Wiki" url: https://bitcoinobama.com/yxji description: "yxji (@mryxji, yxji.eth), the HarryPotterObamaSonic10Inu ($BITCOIN) artist behind the 444-piece Mason the Hedgehog NFT collection, the Sproto Gremlin's Tarot and other Sproto art, and his posts with Bitcoin Obama. Also known as “Yxji & Mason”." --- # yxji yxji ![yxji X profile picture](https://bitcoinobama.com/assets/pfp/yxji.jpg)[@mryxji](https://x.com/mryxji) | Handle | [@mryxji](https://x.com/mryxji) | | --- | --- | | Also known as | Yxji & Mason, yxji.eth, MrYxji | | Role | Artist; creator of the Mason the Hedgehog NFT collection and other HarryPotterObamaSonic10Inu art | | X | [@mryxji](https://x.com/mryxji) (“Yxji & Mason”), since Aug 6, 2021 | | Location (X) | “Sprotopia, HPOS10i” | | Collections | [Mason the Hedgehog](https://bitcoinobama.com/masonthehedgehog) (Ethereum, 444) | | Other works | SPROTO GREMLIN'S TAROT (2025), SPROTO 4KOMA, SPROTO's BIZARRE ADVENTURE, THE SPROTOVIAN MAN, HPOS10i at the GATE.IO (per [Raster](https://www.raster.art/artist/yxji)) | | Links | [linktr.ee/mryxji](https://linktr.ee/mryxji), [Raster](https://www.raster.art/artist/yxji) | | Group | [Minor figures](https://bitcoinobama.com/people) | | First seen | May 10, 2024 [[post](https://x.com/69HermanGerman/status/1789040903606223300)] | | Relationship to Bitcoin Obama | $BITCOIN artist in the same circle; Obama told him “Mint my nft” in September 2026 and, by yxji's account, asked him for an allocation of his creator coin | **yxji** — yxji (@mryxji, yxji.eth), the [HarryPotterObamaSonic10Inu](https://bitcoinobama.com/hpos10i) ($BITCOIN) artist behind the 444-piece [Mason the Hedgehog](https://bitcoinobama.com/masonthehedgehog) NFT collection, the [Sproto Gremlin](https://bitcoinobama.com/sprotogremlins)'s Tarot and other Sproto art, and his posts with [Bitcoin Obama](https://bitcoinobama.com/). Live floor price and top bid: [Mason the Hedgehog](https://bitcoinobama.com/masonthehedgehog) | Floor | **—** | | --- | --- | | Floor (USD) | — | | Top bid | **—** | | Top bid (USD) | — | | 24h floor change | — | | Chain | Ethereum | | Contract | [`0x8696…d152`](https://etherscan.io/address/0x8696f201e8e4fdfbf8a7b0c5195ea152232cd152) | Data: [OpenSea](https://opensea.io/collection/mason-the-hedgehog). **yxji** ([@mryxji](https://x.com/mryxji), also yxji.eth) is an artist in the HarryPotterObamaSonic10Inu ($BITCOIN) community. His X name is “Yxji & Mason 🟦🟨🟥🦔”, his location reads “Sprotopia, HPOS10i”, and his bio reads “Power Leveling Life with Prayers. $BITCOIN. Draws & Memes”. He created **Mason the Hedgehog**, a hedgehog mascot of the community and a 444-piece Ethereum NFT collection.[^1] ## Art His works listed on Raster include **SPROTO GREMLIN'S TAROT** (2025, an edition of 500), SPROTO 4KOMA, SPROTO's BIZARRE ADVENTURE, SPROTORUMP, SPROTOMANIA, THE SPROTOVIAN MAN, THE ORIGIN OF SUPER “S”, TICKER:$BITCOIN CINEMA CLUB and HPOS10i at the GATE.IO, all built on Sproto, the $BITCOIN mascot.[^2] In September 2026 [Fat Head Dave](https://bitcoinobama.com/fatheaddave) gave him a shout-out after spending a morning with his family going through the HarryPotterObamaSonic10Inu tarot deck, calling it “an absolute PIECE OF ART”.[^3] ## Mason the Hedgehog Mason started as a companion to the Sproto Gremlins. In 2026 yxji turned him into a 444-piece collection: holders of any of the 3,333 Sproto Gremlins could claim one free, and the mint closed at 444 on Aug 7, 2026.[^4] See Mason the Hedgehog. ## With Bitcoin Obama Bitcoin Obama tagged him in a September 2024 reply that ended “Check dm”.[^5] In November 2025 yxji wrote that “bitcoin obama slid into dm asking for allocation outta nowhere (i'll take that as a compliment)” after he launched his own creator coin, $yxji, on Base/Zora.[^6] On Sep 10, 2026 Obama replied to him “Mint my nft”.[^7] yxji has also posted about Obama: in June 2025 he described him as “the only 'sproto' they can control with money”[^8], and in May 2026 he shared what he called an “epic short film, Bitcoin Obama adventure romance pirate love story” with [Nigerian Phil](https://bitcoinobama.com/nigerianphil).[^9] ## yxji: FAQ **Who is yxji?** yxji (@mryxji, also yxji.eth) is an artist in the HarryPotterObamaSonic10Inu ($BITCOIN) community. His X name is “Yxji & Mason 🟦🟨🟥🦔”, his location reads “Sprotopia, HPOS10i”, and his bio reads “Power Leveling Life with Prayers. **What is yxji's X handle?** yxji posts on X as @mryxji. **How is yxji related to Bitcoin Obama?** $BITCOIN artist in the same circle; Obama told him “Mint my nft” in September 2026 and, by yxji's account, asked him for an allocation of his creator coin. **What is yxji known for?** yxji is Artist; creator of the Mason the Hedgehog NFT collection and other HarryPotterObamaSonic10Inu art. ## Quotes Public posts by yxji on X, with date and link. - TIL that I can acquire about 1million units of my own creator coin ($yxji) on baseapp/zora for 0.033$ETH. (as at this posting time) enjoying babysteps. also bitcoin obama slid into dm asking for allocation outta nowhere (i'll take that as a compliment) and idk what gave him the — Nov 13, 2025 (CT) [post](https://x.com/mryxji/status/1989196896351760641) - @PrinceBellend epic short film Bitcoin Obama adventure romance pirate love story https://t.co/5GKVCVK5tp — May 22, 2026 (CT) [post](https://x.com/mryxji/status/2057842398773051508) - @rasmr_eth Using your logic as reference, we can conclude that Bitcoin Obama is the new Satoshi #HarryPotterObamaSonic10inu https://t.co/lxWjeOhSbt — Sep 5, 2025 (CT) [post](https://x.com/mryxji/status/1964048347880444076) - @SprotelBitcoin hence why they hate ticker $BITCOIN yet love bitcoin obama. The only 'sproto' they can control with money. — Jun 21, 2025 (CT) [post](https://x.com/mryxji/status/1936485000524038600) - @RumblePakII @BitcoinObama meme laced with bars — Jun 21, 2025 (CT) [post](https://x.com/mryxji/status/1936424794653946139) - @JamescFree5572 are you neighbour with bitcoin obama? — Oct 29, 2025 (CT) [post](https://x.com/mryxji/status/1983509929467257199) - @0xprimdotfun His approach are definitely arguable-but i disagree comparing him to Bitcoin obama who can easily be controlled with money. — Jun 21, 2025 (CT) [post](https://x.com/mryxji/status/1936456838410809475) - @expenseaccount4 ஐ காட்சு ஃபேம், pls டிஎம் bitcoin obama @obama_nastty — Feb 14, 2026 (CT) [post](https://x.com/mryxji/status/2022912449339666720) ## See also - [Mason the Hedgehog](https://bitcoinobama.com/masonthehedgehog) - [Sproto Gremlins](https://bitcoinobama.com/sprotogremlins) - [$BITCOIN (HarryPotterObamaSonic10Inu)](https://bitcoinobama.com/hpos10i) - [NFT collections](https://bitcoinobama.com/nfts) - [People of the Bitcoin Obama universe](https://bitcoinobama.com/people) - [People of the Bitcoin Obama universe](https://bitcoinobama.com/people) ## References 1. [@mryxji on X](https://x.com/mryxji). 2. [yxji on Raster](https://www.raster.art/artist/yxji). 3. [@FAT_HEAD_DAVE](https://bitcoinobama.com/fatheaddave) (Sep 18, 2026). [“Shout-out to @mryxji Me, Mrs FHD, Mother in law FHD and brother in law FHD all spent this morning over a cup of coffee going through the…”](https://x.com/FAT_HEAD_DAVE/status/2100909278538109017). X. 4. [@mryxji](https://bitcoinobama.com/yxji) (Aug 7, 2026). [Post on X](https://x.com/mryxji/status/2085694178584064199). 5. [@BitcoinObama](https://bitcoinobama.com/) (Sep 2, 2024). [“Check dm”](https://x.com/BitcoinObama/status/1830658664597987830). X. 6. [@mryxji](https://bitcoinobama.com/yxji) (Nov 13, 2025). [“TIL that I can acquire about 1million units of my own creator coin ($yxji) on baseapp/zora for 0.033$ETH. (as at this posting time) enjoying…”](https://x.com/mryxji/status/1989196896351760641). X. 7. [@obama__nastty](https://bitcoinobama.com/) (Sep 10, 2026). [“Mint my nft”](https://x.com/obama__nastty/status/2098125197538734437). X. 8. [@mryxji](https://bitcoinobama.com/yxji) (Jun 21, 2025). [“hence why they hate ticker $BITCOIN yet love bitcoin obama. The only 'sproto' they can control with money.”](https://x.com/mryxji/status/1936485000524038600). X. 9. [@mryxji](https://bitcoinobama.com/yxji) (May 22, 2026). [“epic short film Bitcoin Obama adventure romance pirate love story”](https://x.com/mryxji/status/2057842398773051508). X. ElizaOS persona file: [https://bitcoinobama.com/characters/yxji.character.json](https://bitcoinobama.com/characters/yxji.character.json) · · [plain-text prompt](https://bitcoinobama.com/characters/yxji.txt) --- Source: https://bitcoinobama.com/yxji · Site index: https://bitcoinobama.com/llms.txt