Keeper of Jake's leather jacket - Mel
  
Co-Keepers of Jake's guitar - Kim and Jez
  
Keeper of Jake's motorcycle and Jake and Jenny's first kiss (Ciao, Jenny), Keeper of Jake's necklace - Betsy
    
Keeper of Jake's rings - Candace
  
Keeper of Jake and Tiffani's first kiss - Angie
  
Keeper of the moment Jake/Tiffani got back together (Ep: Two Too Much) and Keeper of Jake and Tiffani's goodbye kiss (Ep: The Last Gig)- Sarah

Keeper of Jake and Tiffani's dance at the Senior Prom and Keeper of Jake's Locker - Stephanie 

Keeper of Jake's Flannel Checkered Shirts and Hoodies - Nikki
  
Keeper of Jake's microphone and acoustic guitar, Keeper of Jake and Tiffani's kiss when they got back together (in "Two Too Much"), keeper of Jake and Tiffani's kiss and their dance in "Way We Are" (video) - Kristie  

Keeper of the moment Jake and Tiffany got together (Surfboards and Cycles) - Michelle
  
Keeper of Jake's Trophy (Harley and the Marlboro Man) - Sara
  
Keeper of Jake & Tiff's song "The Way We Are" -  Angelina  
   
Keeper of Jake's ballet outfit in "Two Too Much" - Kisordi
   
Keeper of Jake's song he wrote: "Whenever I Think Of You" - Trisha
  
Keeper of Jake's motorcycle boots and keeper of Jake's bed - Crystal
   
Keeper of Jake's leather jacket with the hood ("We'll Always Have Aspen") - Karina

Keeper of Jake's "Born to Drool" jacket (Harley and the Marlboro Man), Keeper of Jake's jeans with the holes in the knees (any episodes) and keeper of Jake's tux (Senior Prom) - Trisha  
  
Keeper of Jake's song "Too Much To Dream" -  Cindy

Keeper of Jake's bike helmet - Will

Keeper of Jake's violin in "Can't Buy Me Love"; Keeper of Jake's woman outfit in "Wooing Woo"; Keeper of Jake's bracelets and black watch (all eps) - Catherine
 
Keeper of "Jake's song "What Would I Do (Without You)" (aka Candy and Flowers") that he sang in Dateless Game episode - Val