Square (suggested by MW (, not MimbleWimble) as synonym for fair)
… and sorcery
And on top of all: Smiley ツ
Lord Voldemort would be pleased we can describe Grin in Parseltongue😂
Joking asside, I like it, it captures Grin’s qualities very well and is highly memorable. Also easy to represent in a picture/word cloud for marketing.