Actually you can have any nickname for Thomas it can me Tom or Timmy or anything (even Thos) nicknames are called for love and fun .. some nicknames (but most) do not make sense so every nickname is a nickname.
Timmy Time - 2009 Timmy's Plane Tidy Timmy is rated/received certificates of: Australia:G
Timmy Time - 2009 Timmy's Puppet Timmy the Builder is rated/received certificates of: Australia:G
Timmy Time - 2009 Timmy's New Friend Timmy's Birthday is rated/received certificates of: Australia:G
Timmy Time - 2009 Timmy the Train Timmy Brings a Smile is rated/received certificates of: Australia:G
Timmy Time - 2009 Snapshot Timmy Timmy Says Sorry is rated/received certificates of: Australia:G
Timmy Time - 2009 Timmy Slips Up Timmy's Monster is rated/received certificates of: Australia:G
Timmy Time - 2009 Timmy Bounces Back Timmy's Tins is rated/received certificates of: Australia:G
Timmy Time - 2009 Timmy the Robot Timmy Treasure Trail is rated/received certificates of: Australia:G
Timmy Time - 2009 Sticky Timmy Timmy Makes a Mask is rated/received certificates of: Australia:G
Timmy Time - 2009 Timmy Rings the Bell Timmy's Tractor is rated/received certificates of: Australia:G
Timmy Walczak goes by Timmy.