For example... here's a few
(Sat/12:47:06 AM) <@Phoenix> Nick: U3uWeUX --> $false
(Sat/12:47:07 AM) <@Phoenix> Nick: W5kosh --> $false
(Sat/12:47:10 AM) <@Phoenix> Nick: O8kdBgR --> $true
(Sat/12:47:11 AM) <@Phoenix> Nick: J9gPBIhWzRcClS --> $true
(Sat/12:47:11 AM) <@Phoenix> Nick: O9oCAlDPL --> $true
(Sat/12:47:12 AM) <@Phoenix> Nick: R8efFbWcESV --> $true
(Sat/12:47:13 AM) <@Phoenix> Nick: V7uKmXgSGq --> $true
(Sat/12:47:13 AM) <@Phoenix> Nick: N4Fahb --> $false
(Sat/12:47:14 AM) <@Phoenix> Nick: K0ixn --> $false
(Sat/12:47:14 AM) <@Phoenix> Nick: H4mRfPOKeaHG --> $true
(Sat/12:47:15 AM) <@Phoenix> Nick: T4SYzbHmewJGSa --> $true
(Sat/12:47:16 AM) <@Phoenix> Nick: Q8CXj --> $true
(Sat/12:47:16 AM) <@Phoenix> Nick: U4vkyMNSG --> $true
(Sat/12:47:17 AM) <@Phoenix> Nick: V8lleUsjI --> $true
(Sat/12:47:17 AM) <@Phoenix> Nick: L1sIrGm --> $true
It's not perfect but I was thinking of checking if the nickname is registered or not COMBINED with the random nickname.