Character looks on Dragon Ball Z too

Hello long tiome no see he friends of mine games. And I have open this Topic about the Characters thats looks on the Fighter of Dragon Ball Z. But on the game named Chrono Trigger is Dragon Ball Z.

=> Crono is the Trunks or Gohan or the Fusion about that two fighters. I dont Realy know please tell me who is Crono.

=> Slash is the piccolo but the blue piccolo but his body and face is blue. And he is not stronger as Piccolo.

Thats I know about the Chrono trigger and Dragon Ball Z.