It looks good mate, I'd just say the colours there are a bit too strong and 'shiny', try to tone parts of it down a bit. The look of it is nice though, the contrasting here looks good, try to add a more visible main text though. Really good one when thinking it's first sig in 4 months
two comments
nice sig but it's full colors
u should add some textures .. light textures
add text that we can see him in white color and with pretty font
nice render but could be better mate
kiu buddy