The following character can become LR by Dokkan Awakening. Summon rates for them are however very low, and we don't recommend you to aim to get them.
Saiyan Spirit Super Saiyan 2 Gohan (Youth)
Passion Beyond Pride Super Saiyan 2 Vegeta
Proof of Resurrection Golden Frieza
The Supreme Warrior Super Gogeta
Emperor of Iniquity Frieza (1st Form)