It depends on what Tyler you are talking about.
Ty.
Good nicknames would be Ty, TY TY, Tyle, Ty bug, TyTy bear
ty
tyler the great
Tank Tyler goes by Tank Tyler.
Tyler Kyte goes by Ty.
Tyler Dolph goes by Smirks.
Tyler Faison goes by Opie.
Tyler Atfield goes by Ty.
Tyler Atkinson goes by Lou.
Tyler David goes by Ty.
Tyler Borden goes by Typhoon.
Tyler Blackburn goes by Ty.