Player 1: As 8d
Player 2: Ad 10c

Board: Ac Kc Kd 8h 10s

Player 1: 2 pair A/K
Player 2: 2 pair A/K

Here is where the debate was, Player 2 has a 10 kicker, player 1 has a 8 kicker. But player 2 says the kicker is on the board, the 10..

Split pot??

Can a "kicker" be on the board? I thought kicker is always a hole card?