It's C.A.P. Raspberry :)
You can access the grove website but only after a certain condition is met: lbh arrq gb unir frnepurq sbe ng yrnfg 3 tebir tnzrf naq gura frnepu sbe "tebir" va gur frnepu one naq ornaf jvyy zrffntr lbh naq tvir lbh gur pbeerpg frnepu grezf gb hfr. This isn't necessary to figure out any of the puzzle, but gives you some context as to what was happening.
Fvkgu jnyy V zrnag gb gnxr bhg o/p v qvaq'g unir gvzr, fb vg'f abg frnepunoyr. Gur Tebir fvgr jvyy tvir lbh fbzr zber pbagrkg ba Vs naq Gura Ntnva
The username misspelling on GF unfortunately just another typo that got copy-pasted w/o me noticing that will be fixed in future updates.
For the other usernames and names, you got those right, and the other ones are ones that don't have answers in games.