Alvin's Class

Hit Points

 * Hit Dice: 1d? per ??? level
 * Hit Points at 1st Level: ? + your Constitution modifier
 * Hit Points at Higher Levels: 1d? (or ?) + your Constitution modifier per ??? level after 1st

Proficiencies

 * Armor: ???
 * Weapons: ???
 * Tools: ???
 * Saving Throws: ??? and ???
 * Skills: Choose two from ???

Equipment
Alternatively, you can ignore the equipment provided by your class and background, and start with ?d4 x 10 gp.
 * (a) a ??? (b) a ???
 * (a) ??? (b) ???
 * (a) a ??? (b) an ???