You... by _unknown_

You Am... by Sebastian

You... by Redcrab

Yoshimi by Electric

Yolkanoid by FatFrost

Yolk by Jailbird

Yogibear by JSL

Yoda... by JSL

Yoda... by Skyffel

Yo! by unknown

Yinyan by Hroudtwolf

Year of... by Macx

Yaemon... by RRR

XRAY by Veto

XnX-AFL... by Death