Who is the author of source picture, used to produce the file firmware/logo256x192bn.rcs.zx7b?

[ivan-tat]

Initial commit: 797e2e1

Uploaded file: firmware/logo256x192bn.rcs.zx7b

Command line to get list of committers:

git log --pretty=format:"%as %an - %ae" firmware/logo256x192bn.rcs.zx7b|sort -u

Console output:

2021-09-26 antoniovillena - [email protected]

The picture itself:

[ivan-tat]

This file was changed by c2b66a9 commit.
git log firmware/logo256x192bn.rcs.zx7b command's output:

commit c2b66a918f03ac5f3795413b2b8bf70deeaab3da (HEAD -> master, origin/master, origin/HEAD)
Author: antoniovillena <[email protected]>
Date:   Sat Oct 9 10:37:28 2021 +0200

    actualizo

commit 797e2e11d482a0a710627fde1775ff31ac0f8767 (tag: FLASH_ZXD_20211001)
Author: antoniovillena <[email protected]>
Date:   Sun Sep 26 18:50:00 2021 +0200

    Añado logo buryak y FIRMWARE.ZXB

Current version: firmware/logo256x192bn.rcs.zx7b

Without attribution, reasonable questions arise about the possibility of legal use of artwork, source code or binary code in derivative works in order to avoid attacks by copyright holders. So the question remains the same: who is the author of this version of the source picture?

Current picture: