"World Cup is a dream of every football player, I'm no exception".
Okala, who spoke with the News Agency of Nigeria (NAN) on Tuesday in Enugu, said the selected as dedicated players that would do the country proud.
Surprise invitee Lokosa now leads the Nigeria Professional Football League (NPFL) goalscorers chat with 18 goals, recording his most recent goals in Kano Pillar's 3-1 victory over Kaduna United on Sunday.
"I was overwhelmed with joy when I heard that Nwankwo, made the list".
Super Eagles head coach Gernot Rohr has called up in-form Kano Pillars striker Junior Lokosa ahead of the 2018 FIFA World Cup squad.
It included Goalkeepers - Francis Uzoho, Ikechukwu Ezenwa, Daniel Akpeyi and Dele Ajiboye.
Defenders: William Troost Ekong, Leon Balogun, Chidera Eze, Chidozie Awaziem, Kenneth Omeruo, Shehu Abdullahi, Tyrone Ebuhehi, Ola Aina, Elderson Echejile, Brian Idowu, Efe Ambrose.
Joining Mikel in the midfield are Ogenyi Onazi (Trabzonspor FC, Turkey); Wilfred Ndidi (Leicester City, England); Oghenekaro Etebo (UD Las Palmas, Spain); John Ogu (Hapoel Be'er Sheva, Israel); Uche Agbo (Standard Liege, Belgium); Joel Obi (Torino FC, Italy); and Mikel Agu (Bursaspor FC, Turkey).
Chelsea forward Victor Moses leads the forward line that consists of Nwankwo, Odion Ighalo, Kelechi Iheanacho, Ahmed Musa, Moses Simon and Alex Iwobi.
NAN reports that the Russian Federation 2018 FIFA World Cup finals' is scheduled to kick off from June 14 to July 15.