Emily/Toby

Cast

 * Emily as Toby (Emily and Toby both end with Y)
 * Gordon as Hiro (Gordon and Hiro are both Tender Engines)
 * Edward as Hank (Edward and Hank are both Blue)
 * Henry as Spencer (Henry band Spencer are both Tender Engines)
 * Fergus as Diesel
 * Mavis as Billy
 * Flora as Thomas
 * Stanley as Kevin
 * Lorry 2 as Splatter
 * Lorry 3 as Dodge
 * Duck as Skarloey
 * Daisy as James
 * Annie as Donald
 * Clarabell as Douglas
 * Rusty as Salty (Rusty and Salty both end with Y)
 * Diesel as Elizabeth
 * Percy as Emily (Percy and Emily both end with Y)
 * Skarloey as Wilbert (from RWS)
 * Thomas as Mavis
 * Rheneas as Freddie
 * BoCo as BoCo
 * Kevin as Kelly (kevin and Kelly are both Cranes)
 * Splatter as Den
 * Dodge as Dart (Dodge and Dart both start with D)
 * James as Duck
 * Stepeny as Oliver
 * Bertie as Toad (Bertie and Toad have both Square Faces)
 * Duncan as Byron (Duncan and Byron are both Yellow)
 * Whiff as Ned
 * Salty as Arthur (Salty and Arthur are both Red)
 * Sir Handel as Smudger (Sir Handel and Smudger both start with S)
 * Hiro as Trevor
 * Ferdinand as Bertie
 * Bash & Dash as Bash & Dash
 * Victor as Rusty